biology Crossword Puzzles

Biology Crossword 2025-04-30

Across

Cell with only one set of chromosomes
The separation of allele pairs
matter anything that was alive and is now in or on the soil. For it to become organic matter, it must be decomposed into humus.
Anything that eats or consumes other living organisms. All heterotrophs: they ingest food containing the sun’s energy. All Herbivores, Carnivores, Omnivores, Decomposers
Unicellular organism without membrane-bound organelles
The process of burning something
The genetic makeup of an organism
A virus that infects bacteria
Another word for biomolecule
Type of consumer that eats dead plants, animals and other organisms.
any biotic or abiotic factor that restricts the existence of organisms in a specific environment. Amount of water, food, space, Temperature, Availability of mates
Creates two new identical cells
A molecule made up of monomers
the place in which an organism lives out its life
Ingest (eat) food containing the sun’s energy. All Herbivores, Carnivores, Omnivores, Decomposers
all living organisms inhabiting the Earth
A specific trait that's coded for
Plural for nucleus
Also called: primary producer, producer, or PLANT. The beginning of a food chain
Fertilized egg with genes from both mom and dad
the role a species plays in a community; its total way of life
nonliving parts of the environment (i.e. temperature, soil, light, moisture, air currents

Down

Substances found in all living things necessary for life
An organism that causes a disease within a host
Observable traits of an organism such as appearance
Unicellular organism with membrane-bound nucleus and organelles, more complex than a prokaryote
sink Anything that absorbs more carbon from the atmosphere than it releases. Examples include: plants, ocean and soil
A type of species which is a non-native (from a different part of the world) organism that spreads and harms the environment, economy, or human health. They can be plants, animals, parasites, or diseases.
The concentration of a toxin (like a pesticide) in the tissues of organisms in a lower trophic level gets passed up to the next level when they get eaten. These toxins cannot be flushed out of the body, so each trophic level ends up with higher amounts of toxic material in their tissues.
A substance used for destroying insects or other organisms. Overuse can kill beneficial organisms in the soil. Overuse can runoff into rivers and streams killing beneficial organisms in the water.
all autotrophs (plants), they trap energy from the sun. Beginning of the food chain
The smallest part of a biomolecule; the building block
Both alleles are expressed with no blendig
the scientific study of interactions between organisms and their environments, focusing on energy transfer. The science of relationships
Cell with two complete sets of chromosomes
The process of making something
Microscopic plants that float among the other plankton in the upper layer of the oceans. Phyto means plant or plant-like. So they go through photosynthesis. Often the primary producer for ocean food webs
The passing of genes from parent to child
The total variety of organisms. The more different types of organisms = healthier ecosystem
Regulation of an internal environment

40 Clues: Plural for nucleus • Another word for biomolecule • A virus that infects bacteria • The separation of allele pairs • A molecule made up of monomers • Creates two new identical cells • The process of making something • The process of burning something • The genetic makeup of an organism • A specific trait that's coded for • Cell with only one set of chromosomes • ...

Biology Review 2025-05-05

Across

A chemical reaction that does not require the presence of oxygen
only plant and animal cells
pairs of nitrogen bases held together by two or three….
only bacteria cells
that are use energy stored in chemical compounds to manufacture their own nutrient
where MRNA is read by ribosomes to assemble amino acids into protein
traps light energy found in chloroplasts makes plants green
contains organelles that are found in cells that make plants green
gradual change int the characteristics of living things across generations
a diagram used to predict geninpes and phenotypes of offspring
where DNA is converted into messenger RNA
necessary for life, protein,carbs, lipids and nucleic acids
A substance that kills or inhibit growth and reproduction of other microorganisms
a diagram that shows relationships among organisms
movement of large or uncharged molecules molecules across a cell membrane using a protein channel
breaks down waste materials within the cells
What the body does to maintain the same or balances

Down

A chemical reaction that requires the presence of oxygen
a molecule it's like a book of code that tells your cells what to do
movement of a small uncharged molecule across the cell membrane
plants convert light energy into chemical energy
movement of molecules across a cell membrane against the concentration gradient
a molecule that carries genetic information in cells and viruses
controls what goes in and out of the cell
the phases of the cell cycle when a cell grow doubles the DNA
which creates new proteins
division process in which DNA of cell nucleus is split into two set of chromosomes
movement of water across a semipermeable membranes
type of cell division in severity reproducing organisms that reduce the number of chromosomes in gametes
proteins that act as biological catalysts in living things

30 Clues: only bacteria cells • which creates new proteins • only plant and animal cells • controls what goes in and out of the cell • where DNA is converted into messenger RNA • breaks down waste materials within the cells • plants convert light energy into chemical energy • movement of water across a semipermeable membranes • a diagram that shows relationships among organisms • ...

Biology crossword 2025-05-07

Across

- Movement of water across a membrane.
- Community of living and non-living things.
- Protein that catalyzes reactions.
- Building block of tissues.
- Specialized structure within a cell.
Infectious agent that requires a host.
- Maintenance of stable internal conditions.
Jelly-like substance within cells.
Group of similar organisms.
- Remains of ancient organisms.
Process of producing offspring.
- Nerve cells that transmit signals.

Down

Relating to cells.
Segment of DNA; unit of heredity.
Interaction between two different organisms.
Molecule carrying genetic information.
Selection Process where organisms better adapted survive.
- Process by which plants make food.
- Structure containing DNA in cells.
Basic unit of life.
One half of a chromosome.
- Green pigment in plants.
Large geographic area with specific climate and organisms.
- Process of cell division.
- Chemical messenger in the body.
Substance to stimulate immunity.
Change in DNA sequence.
- Trait that improves survival.
- Tiny organism, often single-celled.

29 Clues: Relating to cells. • Basic unit of life. • Change in DNA sequence. • One half of a chromosome. • - Green pigment in plants. • - Process of cell division. • Group of similar organisms. • - Building block of tissues. • - Trait that improves survival. • - Remains of ancient organisms. • Process of producing offspring. • Substance to stimulate immunity. • ...

Human Biology 2024-10-17

Across

the act of chewing food
the brain if the cell
the system that mirrors our circulatory system
Word that relates to the kidney
a leaf like gland
where urine is stored
where bile is stored
a nerve cell
tube from the kidney to the bladder

Down

first milk
Main product in urine
where the pH is 2.5
proteins of pathogens that stimulate antibody production
where breakdown and absorption takes place
where energy is made
where bile is made
where a colostomy bag may be placed
makes around 96% of urine
Red blood cell
Gland next to the kidneys

20 Clues: first milk • a nerve cell • Red blood cell • a leaf like gland • where bile is made • where the pH is 2.5 • where energy is made • where bile is stored • Main product in urine • the brain if the cell • where urine is stored • the act of chewing food • makes around 96% of urine • Gland next to the kidneys • Word that relates to the kidney • where a colostomy bag may be placed • ...

Biology crossword! 2024-08-05

Across

Class Diplopoda. One was named after Taylor Swift
Found in a bird's integumentary system
Bat order
A sperm cell's "Tail"
(2 words) Mammal named after a literal gamete
What the D in DNA stands for
Naughty little toothed whales
Chemical compound. What an Arhtropod's exoskeleton is made of
Gallus Gallus Domesticus
A human's biggest organ
Butterfly larva
Organ that only appears in pregnant female placental mammals
Found in RNA but not in DNA
Fastest land animal
For example: Octopus, Snail, Oyster
Taxonomic placement: Incertae ___
The first organ food encounters through the digestive track

Down

(2 words) Marine mammal, order carnivora
Asymmetrical animal in the ocean
(2 words) Plant cells have this
Domestic cat's genus name
(2 words) Fastest animal of all
Phylum of segmented worms
Type of symmetry Echinoderms have
(2 words) Baleanoptera Musculus
Male chromosomes
Canis Lupus Familiaris
Scary cartilaginous fish
For example: Jellyfish, corals
Respiratory organ that are found in all mammals and only in mammals
Hymenopteran that can't fly
For example: Ostriches, Kiwis
Cute pink salamander
Looks like a clam. Turns out it's from a completely different phylum
Genus of big cats
A cell that doesn't stop multiplying
Not a plant, but can perform photosynthesis
For example: Puffballs, Yeasts
Monotreme with a bill
The animal that the character "Plankton" from "Spongebob Squarepants" is based off

40 Clues: Bat order • Butterfly larva • Male chromosomes • Genus of big cats • Fastest land animal • Cute pink salamander • A sperm cell's "Tail" • Monotreme with a bill • Canis Lupus Familiaris • A human's biggest organ • Scary cartilaginous fish • Gallus Gallus Domesticus • Domestic cat's genus name • Phylum of segmented worms • Hymenopteran that can't fly • Found in RNA but not in DNA • ...

Biology Crossword 2024-09-10

Across

Macromolecule, made of glycerol and fatty acids, used for energy storage and membranes
Macromolecule, made of monosaccharides, source of energy for living things
Process of building monomers into polymers
Passive transport process, causes water to move toward the hypertonic side of a membrane
Organelle, site of cellular respiration, creates ATP
Macromolecule, made of nucleotides, stores genetic information
Organelle, folds transports, and exports proteins (rough) or lipids (smooth)
organelle, control center of the cell, holds DNA
Type of cellular transportation that requires energy
Organelle, used to store substances, plants have one large, and animals have many small
Type of cellular transportation that does not require energy

Down

Organelle, makes proteins, created in the nucleolus
Macromolecule, made of amino acids, used for enzymes, transport, and cell structures
small subunit, used to build polymers
The study of living things
Organelle, site of photosynthesis, creates glucose
Basic unit of structure and function in living things
place on an enzyme that binds the substrate
Organelle, used for structure and support in some cells, plants and fungi
Organelle, modifies sorts, and packages proteins into vesicles

20 Clues: The study of living things • small subunit, used to build polymers • Process of building monomers into polymers • place on an enzyme that binds the substrate • organelle, control center of the cell, holds DNA • Organelle, site of photosynthesis, creates glucose • Organelle, makes proteins, created in the nucleolus • Organelle, site of cellular respiration, creates ATP • ...

Sel Biology 2024-08-27

Across

Proses pengambilan zat oleh sel dengan cara membentuk vesikula.
Golgi Organel sel yang berfungsi untuk mengemas protein.
Proses masuknya air ke dalam sel sehingga sel membengkak.
Proses pembelahan sel untuk menghasilkan sel anak.
Larutan yang memiliki konsentrasi zat terlarut lebih tinggi dibandingkan dengan larutan lain.
Proses keluarnya air dari dalam sel sehingga sel mengerut.
Organel sel yang berfungsi untuk menghasilkan protein.
Proses perpindahan air melintasi membran semipermeabel dari daerah konsentrasi tinggi ke rendah.
sel Struktur yang terdapat pada sel tumbuhan dan berfungsi untuk menjaga bentuk sel.
Proses pembentukan sel baru.
Bagian sel yang berfungsi sebagai pusat kontrol sel.
Sel yang memiliki inti sel yang jelas dan terbungkus membran inti.
Proses pertumbuhan dan perkembangan sel.
Organel sel yang berfungsi untuk mengubah energi cahaya matahari menjadi energi kimia.
Bagian sel yang berfungsi untuk menyimpan zat makanan cadangan.

Down

Sel yang tidak memiliki inti sel yang jelas.
Organel sel yang berfungsi untuk menghancurkan zat yang tidak berguna di dalam sel.
Proses keluarnya zat dari dalam sel.
Larutan yang memiliki konsentrasi zat terlarut yang sama dengan larutan lain.
organel sel yang berfungsi sebagai tempat berlangsungnya respirasi sel
Struktur yang menghubungkan sel satu dengan sel lainnya.
Larutan yang memiliki konsentrasi zat terlarut lebih rendah dibandingkan dengan larutan lain.
Makhluk hidup yang tersusun atas banyak sel.
Proses penggabungan dua gamet untuk membentuk zigot.
Organel sel yang berfungsi untuk membentuk lisosom.
endoplasma Bagian sel yang berfungsi untuk mensintesis lipid.
Proses pergerakan molekul secara acak untuk mengisi seluruh ruang yang tersedia.
Bagian sel yang mengandung materi genetik.
Struktur yang membatasi isi sel dengan lingkungan sekitarnya.
Makhluk hidup yang tersusun atas satu sel.

30 Clues: Proses pembentukan sel baru. • Proses keluarnya zat dari dalam sel. • Proses pertumbuhan dan perkembangan sel. • Bagian sel yang mengandung materi genetik. • Makhluk hidup yang tersusun atas satu sel. • Sel yang tidak memiliki inti sel yang jelas. • Makhluk hidup yang tersusun atas banyak sel. • Proses pembelahan sel untuk menghasilkan sel anak. • ...

Arthropoda Biology 2024-11-07

Across

"Arthro" means this
All arthropods have a hard outer covering called an ________
How many body segments do adult insects have?
Sowbugs belong to which Class?
Insects belong to which Kingdom?
Spiders belong to which Class?
Each outer wing in flies is reduced to this knob-like structures
Type of metamorphosis that goes: Egg -> Larva -> Pupa -> Adult
Term used to describe half-hardened outer wings in Hemiptera

Down

Insect Order that is known for its pinched waist
Aphids belong to which Order?
Insects have either or piercing-sucking mouthparts
Millipedes belong to which Class?
In which Order are the larvae called maggots?
This term means to "shed outer coating"
How many pairs of legs do adult insects have?
Strong pincers that earwigs have on rear abdomen
Term for "foot" in Greek
Type of insect that leaves lacerations on leaves and stems
How many pairs of legs do mites & spiders have?
Insects belong to which Phylum?
Molluscs leave this type of trail as a sign
Gradual metamorphosis: Egg -> _______ > Adult
Term used to describe hardened outer wings in Coleoptera
In which Order are the larvae called caterpillars?
How many pairs of antennae do insects have?

26 Clues: "Arthro" means this • Term for "foot" in Greek • Aphids belong to which Order? • Sowbugs belong to which Class? • Spiders belong to which Class? • Insects belong to which Phylum? • Insects belong to which Kingdom? • Millipedes belong to which Class? • This term means to "shed outer coating" • Molluscs leave this type of trail as a sign • ...

Biology vocab 2024-11-11

Across

consistent physical and chemical conditions maintained by the cell
cycle that generates high-energy sugars
solution with a PH of more than 7
solution with a greater concentration of solutes
compound used by cells to store and release energy
attraction between the molecules of different substances
organelle that breaks down materials into useable molecules
substance that is dissolved in a solution
basic unit of all forms of life
organism whose cells contain a nucleus
organelle that converts energy stored in food into energy useable by the cell
diffusion of water through a selectively permeable membrane
primary pigment used by plants and other photosynthetic organisms
process by which particles move from areas of higher to lower concentration
solution with a PH of less than 7
attraction between molecules of the same substance
water channel protein in a cell
elements or compounds that enter into a chemical reaction
element that contains different numbers of neutrons
basic unit of matter
substance formed by the combination of two or more atoms
network of protein filaments that give the cell its structure
place where lipid components of the membrane are assembled
fluid portion of the cell outside of the nucleus
thin, flexible barrier that surrounds all cells
group of cells that perform a similar function
protein catalyst that speeds up biological reactions
light-absorbing molecules used by plants to gather the sun's energy

Down

sac-like photosynthetic membranes found in chloroplasts
product of an enzyme-influenced reaction
organelle that stores material
compound that prevents sharp, sudden changes in PH
solution with a lesser concentration of solutes
type of mixture in which all components are evenly distributed
pure substance of only one type of atom
protein whose shape fits a specific molecular messenger
dissolving substance in a solution
structure that contains the cell's genetic information
smallest unit of most compounds
protein on the thylakoid membrane that allows H+ atoms to pass through
unicellular organism that lacks a nucleus
process used by autotrophs to capture light energy and use it for power
fluid portion of the chloroplast
atom that has a positive or negative charge
negatively charged particle
group of tissues that work together to perform similar functions
solution with equal concentration
cluster of chlorophyll and proteins found in thylakoids
specialized structure in a eukaryotic cell
material composed of two or more types of atoms that are not chemically combined
organelle, the site of protein synthesis

51 Clues: basic unit of matter • negatively charged particle • organelle that stores material • smallest unit of most compounds • basic unit of all forms of life • water channel protein in a cell • fluid portion of the chloroplast • solution with a PH of more than 7 • solution with equal concentration • solution with a PH of less than 7 • dissolving substance in a solution • ...

Biology vocab 2024-11-11

Across

consistent physical and chemical conditions maintained by the cell
cycle that generates high-energy sugars
solution with a PH of more than 7
solution with a greater concentration of solutes
compound used by cells to store and release energy
attraction between the molecules of different substances
organelle that breaks down materials into useable molecules
substance that is dissolved in a solution
basic unit of all forms of life
organism whose cells contain a nucleus
organelle that converts energy stored in food into energy useable by the cell
diffusion of water through a selectively permeable membrane
primary pigment used by plants and other photosynthetic organisms
process by which particles move from areas of higher to lower concentration
solution with a PH of less than 7
attraction between molecules of the same substance
water channel protein in a cell
elements or compounds that enter into a chemical reaction
element that contains different numbers of neutrons
basic unit of matter
substance formed by the combination of two or more atoms
network of protein filaments that give the cell its structure
place where lipid components of the membrane are assembled
fluid portion of the cell outside of the nucleus
thin, flexible barrier that surrounds all cells
group of cells that perform a similar function
protein catalyst that speeds up biological reactions
light-absorbing molecules used by plants to gather the sun's energy

Down

sac-like photosynthetic membranes found in chloroplasts
product of an enzyme-influenced reaction
organelle that stores material
compound that prevents sharp, sudden changes in PH
solution with a lesser concentration of solutes
type of mixture in which all components are evenly distributed
pure substance of only one type of atom
protein whose shape fits a specific molecular messenger
dissolving substance in a solution
structure that contains the cell's genetic information
smallest unit of most compounds
protein on the thylakoid membrane that allows H+ atoms to pass through
unicellular organism that lacks a nucleus
process used by autotrophs to capture light energy and use it for power
fluid portion of the chloroplast
atom that has a positive or negative charge
negatively charged particle
group of tissues that work together to perform similar functions
solution with equal concentration
cluster of chlorophyll and proteins found in thylakoids
specialized structure in a eukaryotic cell
material composed of two or more types of atoms that are not chemically combined
organelle, the site of protein synthesis

Biology Terms 2024-11-11

Across

sorts and package proteins--> ship to final destination from golgi apparatus
nerve to nerve communication
Adenosine Triphosphate
converts chemical energy stored in food into compounds used in the cell
cell organelle that stores material such as water, salts, proteins, and carbohydrates
network of protein filaments within some cells that helps the cell maintain its shape and internal organization and its involved in movement
specialized structure that performs important cellular functions within a eukaryotic cell
third type of cell, bacteria like, attracted to extreme temps
fluid portion of the chloroplasts
basic unit of life
DNA bound to proteins in nucleus
movement of materials against a concentration difference using energy
control system of the cell, contains DNA
eukaryotes living as unicellular organisms
a specific protein whose shape fits that of a specific molecular messenger, such as a hormone; respond and bind to chemical signals
acidic, digestive enzyme that breaks down dead cells
Adenosine diphosphate
a compound that prevents sharp, sudden changes in pH
connection between neighboring cells
organelle in cells that modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or release outside the cell
active transport that occurs when the cell membrane forms a pocket around a particle --> pocket breaks away from membrane (vesicle) --> vesicle carries particle where it needs to go
pressure that must be applied to prevent osmotic movement across a semi permeable membrane
relatively constant internal physical and chemical conditions that organisms maintain

Down

less solutes in the cell
process of diffusion in which molecules pass across the membrane through cell membrane channels, fast and specific
movement of molecules across the membrane without using cellular energy
mitochondria and chloroplasts descended from ancient bacteria
fluid portion of the cell outside the nucleus
unicellular organism that lacks a nucleus
water channel protein in lipid bilayer
light-independent reactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds, like sugar
organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy
when the concentration of two solutions is the same
organism whose cell contains a nucleus
active transport where channels in lipid bilayer take in a substance on one side and push it out on the other
moves larger molecules and solid clumps of materials
made up of lipid bilayer, regulates what enters and leaves cell, surrounds cell
internal membrane system found in eukaryotic cells
contains genetic information
facilitated diffusion of water through a semi-permeable membrane
there are more solutes in the cell
type of endocytosis where tiny pockets in the membrane fill with liquid and become vacuoles
holes on nuclear envelope that allow material to move in and out of nucleus
flexible double-layered sheet that makes up the cell membrane
cluster of chlorophyll and protein found in thylakoids
principal pigments of plants and other photosynthetic organisms
strong, supporting layer around the cell membrane in some cells
threadlike, make framework, help cells move
cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell
tiny hairs on outside that take in water
Found inside the nucleus and produces ribosomes
homosapien

52 Clues: homosapien • basic unit of life • Adenosine diphosphate • Adenosine Triphosphate • less solutes in the cell • nerve to nerve communication • contains genetic information • DNA bound to proteins in nucleus • fluid portion of the chloroplasts • there are more solutes in the cell • connection between neighboring cells • water channel protein in lipid bilayer • ...

Biology A 2024-11-11

Across

sequences of nitrogenous bases
made of chains of amino acids
located on the same chromosome
unchanged variable
traits that are on 22 pairs of chromosomes
serve as chemical messengers and have other roles
anything that has mass or takes up space
abiotic and biotic factors in an area
fats or oils
matches with Cytosine
living things are made up of cells
characteristics are transferred from parents to offspring with DNA
first step of scientific method
group used for comparison
ribonucleic acid
sugar or starch used to store energy

Down

statement that can't change under certain natural conditions
variable changed by you
2+ elements bonded together
way of gaining knowledge about the natural world
process that makes proteins
chance or possibility of something happening
individual living thing
final step of scientific method
both alleles are expressed
changes over time
variable affected by others
matches with Thymine
scientific guess
deoxyribonucleic acid
basic unit of life
the used of technology to change the genetic makeup of living organisms for human purposes
process of producing offspring
keeps everything in a cell constant
Proteins that control transcription

35 Clues: fats or oils • scientific guess • ribonucleic acid • changes over time • unchanged variable • basic unit of life • matches with Thymine • deoxyribonucleic acid • matches with Cytosine • variable changed by you • individual living thing • group used for comparison • both alleles are expressed • 2+ elements bonded together • process that makes proteins • variable affected by others • ...

Biology vocab 2024-10-29

Across

- Ability to survive and reproduce under pressure
exclusion principle - When 2 species can live together
Effect - Gasses that function like glass in a greenhouse
- range of physical and biological conditions where an organism lives
- A predator captures their prey
- A plant that sheds their leaves
- A herbivore eats plants
Things like sunlight, water, and soil nutrients
- Ameno-eating species attacks their living home
- A tick lives on another animal and harms it
an organism isnt harmed
When brances form a leafy covering
- Where an animal lives
Succession - Things happen to a community without destroying it

Down

Species - First species to colonize
- When an animal benifits from a relationship
- Two species live close together
- Conditions day-day
- Weather where you live
Succession - Series of more of less predictable changes that occur over time
Succesion - begins in an area with no remnants
species - Changes in a population of a single animal
- Environmental conditions that carry over small distances
- When tall trees form a dense leafy covering

24 Clues: - Conditions day-day • an organism isnt harmed • - Where an animal lives • - Weather where you live • - A herbivore eats plants • - A predator captures their prey • - Two species live close together • - A plant that sheds their leaves • When brances form a leafy covering • Species - First species to colonize • - When an animal benifits from a relationship • ...

Biology 1 2024-09-14

Across

_____Reduced response to a drug after repeated use. Tolerance
_____P Neurotransmitter involved in pain perception. Substance
_____studies Research comparing similarities between identical and fraternal twins. Twin
_____period Time after an action potential when a neuron can’t fire again. Refractory
_____studies Research examining traits among family members. Family
Major excitatory neurotransmitter involved in learning and memory. Glutamate
_____Compulsive drug use despite harmful consequences. Addiction
_____nervous system Controls voluntary movements. Somatic
_____perspective How natural selection influences behavior and mental processes. Evolutionary
_____Symptoms experienced when stopping or reducing drug use. Withdrawal
_____neurotransmitters Chemicals that stimulate neurons to fire. Excitatory
Controls involuntary bodily functions AKA The Autonomic nervous system. ANS
Genetic and biological factors influencing development. Nature
_____selection Process where traits that enhance survival are passed on. Natural
_____Drugs that relieve pain and produce euphoria. Opioids
_____arc Pathway for reflex actions. Reflex
_____nervous system Promotes rest and digestion. Parasympathetic
_____potential Electrical impulse traveling down a neuron. Action
_____ inhibitors Drugs that block the reabsorption of neurotransmitters. Reuptake
Neurotransmitter involved in muscle action, learning, and memory. Acetylcholine
Environmental factors influencing development. Nurture
_____Stimulant that increases dopamine levels. Cocaine
_____predisposition Increased likelihood of developing a condition based on genetics. Genetic
_____Drug that can act as a depressant, stimulant, or hallucinogen. Marijuana
_____neurons Transmit sensory information to the CNS. Sensory
Hormone that regulates hunger and energy balance. Leptin
_____Stimulant that increases alertness. Caffeine
Hormone involved in social bonding and childbirth. Oxytocin
Hormone that regulates sleep-wake cycles. Melatonin
Hormone that stimulates appetite. Ghrelin
Controversial practice of improving genetic quality by selective breeding. Eugenics
_____neurons Transmit commands from the CNS to muscles. Motor

Down

Brain and spinal cord. AKA The Central nervous system CNS
Reduction in membrane potential making a neuron more likely to fire. Depolarization
Drugs that block or reduce neurotransmitter effects. Antagonists
____neurotransmitters Chemicals that prevent neurons from firing. Inhibitory
_____Drugs that increase neural activity and energy. Stimulants
_____Drugs that decrease neural activity and slow body functions. Depressants
_____or-nothing principle Neuron either fires completely or not at all. All
_____Opioid that is highly addictive. Heroin
Nerves outside the CNS. AKA The Peripheral nervous system PNS
Hormone that prepares the body for fight-or-flight response. Adrenaline
Connect neurons within the CNS. Interneurons
_____transmission Process of sending signals between neurons. Neural
_____gravis Autoimmune disorder causing muscle weakness. Myasthenia
_____sclerosis Disease where the immune system attacks the myelin sheath of neurons. Multiple
_____Drugs that cause perceptual distortions. Hallucinogens
Minimum stimulus needed to trigger an action potential. Threshold
Neurotransmitter involved in arousal and alertness. Norepinephrine
_____studies Research comparing adopted children to their biological and adoptive parents. Adoption
_____nervous system Activates fight-or-flight response. Sympathetic
Neurotransmitter involved in reward, motivation, and motor control. Dopamine
_____potential Electrical charge across the neuron membrane when not firing. Resting
Transmission of traits from parents to offspring. Heredity
_____cells Support and protect neurons. Glial
Drugs that mimic or enhance neurotransmitter effects. Agonists
Reabsorption of neurotransmitters by the sending neuron. Reuptake
Major inhibitory neurotransmitter that reduces neuronal excitability. GABA
Neurotransmitter affecting mood, sleep, and appetite. Serotonin
Chemical messengers released by glands to regulate bodily functions. Hormones
_____Depressant that affects motor skills and judgment. Alcohol
Neurotransmitters that act as natural painkillers and mood enhancers. Endorphins
_____Nerve cells transmitting information. Neurons

63 Clues: Hormone that stimulates appetite. Ghrelin • _____arc Pathway for reflex actions. Reflex • _____Opioid that is highly addictive. Heroin • Connect neurons within the CNS. Interneurons • _____cells Support and protect neurons. Glial • _____Stimulant that increases alertness. Caffeine • _____Nerve cells transmitting information. Neurons • ...

Cellular Biology 2024-09-17

Across

organelle in which cellular respiration takes place
a network of membrane-bound sacs and tubules lacking ribosomes whose function is to modify and process lipids
the process of the cell engulfing particles by surrounding it with the plasma membrane
worked with schleiden and identified the nucleus as a key structure of animal cells
scientist that advocated all cells come from pre-existing cells
Hooke's term for the tiny, box-like structures he saw under a microscope
identified the nucleus as a key structure in plant cells
cells with a simpler structure, no nucleus or membrane-bound organelles
the network of protein filaments that provides structural support for the cell
location of DNA in prokaryotic cells
the organelle where photosynthesis takes place
cellular transport that moves particles against the concentration gradient from low concentration to high concentration
the rigid outer layer that surrounds and support plant cells (only found in plant cells)
cells that are more complex; DNA is housed in the nucleus
large organelle whose main function is primarily storage
the movement of particles across the cell membrane from high concentration to low concentration

Down

created more advanced lenses to view the first single-celled organisms
and example of a prokaryotic cell
the ability for only certain substances to pass through the cell membrane
the process of making proteins from DNA instructions
a tool used to view objects that are too small to be seen with the naked eye
a network of membrane-bound sacs and tubules studded with ribosomes whose function is to modify and process proteins
location of protein synthesis
location of DNA in eukaryotic cells
cellular transport that does not require energy in the form of ATP
the boundary of the cell that allows materials to pass into and out of the cell
discovered cells when he observed cork under a microscope
scientific theory stating that 1)all living things are made up of cells, 2)cells are the smallest unit of life, 3) all cells come from pre-existing cells
the diffusion of water across the cell membrane
a stack of flattened, membrane-bound sacs where proteins and lipids are packages into vesicles

30 Clues: location of protein synthesis • and example of a prokaryotic cell • location of DNA in eukaryotic cells • location of DNA in prokaryotic cells • the organelle where photosynthesis takes place • the diffusion of water across the cell membrane • organelle in which cellular respiration takes place • the process of making proteins from DNA instructions • ...

biology vocab 2024-10-28

Across

a relationship between a species
one animal that feeds on a producer
phyplankton and zooplankton
what an organism does and how it interacts with biofactors
special kind of wetland
envorinmental conditions
succession a series of more or less predictable changes succession over time
effect allowing visible light to enter but trapping heat
any necessity of life
succession succession that begins in an area with no remnats of an older community
one organism lives inside or on another organism and harms it
organism helps the other is neither helped

Down

the ability to survive and reproduce under a range of envorinmental circumstances
zone the sunlit region near the surface
conditions of the earth's atmosphere
where an organism lives
species first species to colonize barren areas
average conditions
exclusion principle no two species occupy the same niche
"living together"

20 Clues: "living together" • average conditions • any necessity of life • where an organism lives • special kind of wetland • envorinmental conditions • phyplankton and zooplankton • a relationship between a species • one animal that feeds on a producer • conditions of the earth's atmosphere • organism helps the other is neither helped • zone the sunlit region near the surface • ...

Biology Terms 2024-10-21

Across

Doesn't mix well
cell powerhouse
Hydrogen plus
has nucleus
Fatty acid
liquid in cells
protects organelles
Mixed substances
dissolves solute
retains heat
dissolved
Biological catalysts
Final product
lowers energy

Down

holds water
no nucleus
building blocks
reactant of an enzyme-catalyst reaction
Acids form proteins
Hydrogen minus
Big molecules
before reaction
same substance
different solute
holds DNA
organic element
after reaction
North and South
makes life

29 Clues: holds DNA • dissolved • no nucleus • Fatty acid • makes life • holds water • has nucleus • retains heat • Big molecules • Hydrogen plus • Final product • lowers energy • Hydrogen minus • same substance • after reaction • building blocks • cell powerhouse • before reaction • liquid in cells • organic element • North and South • Doesn't mix well • different solute • Mixed substances • dissolves solute • Acids form proteins • ...

Biology 1 2025-11-16

Across

positive for Benedict's reagent test
increase surface area for absorption (finger-like)
creating large molecules from small monomers
equal, no net movement (how we want our plasma to maintain homeostasis)
contains chlorophyll & starch grains, traps energy for photosynthesis
random movement of particles, passive process that uses no energy to take place
the net movement of water molecules from a region of high WATER POTENTIAL to a region of low WATER POTENTIAL
more than two sugars
breaking down big molecules to monomer parts
test for reducing sugars
glucose in molecule form
proteins (periodic table)
muscular tube that transports food from moth to stomach
larger structures made up of repeating monomer structures
the polysaccharides
intestine that recovers WATER and nutrients
tough, dead layer made of cellulose, prevents cell from bursting and allows water/salt to pass
made of 20 amino acids... (also their breakdown is urea)
random movement of particles from a region of high concentration to a region of low concentration
small structures attached to membranes/free and contain protein synthesis
is the oval structure contains DNA, controls activities/development
positive for DCPIP also colourless
membrane controls what enters/exits the cell, bc it's partially permeable, seperates internal from external chem
1 sugar (monomers for carbohydrates)
the movement of particles through a cell membrane from a region of lower concentration to a region of higher concentration using energy from respiration
three fatty acid molecules bonded to a glycerol molecule through ester bonds
the active site of a enzyme is -------- to the substrate that reacts with it

Down

test for proteins
protease enzyme that breaks down proteins, produced in stomach
two sugars
found in cytoplasm, responsible for aerobic respiration
lower water potential outside the cell
the monosaccharides
molecules which can react with the enzyme
higher water potential inside cell (burst)
test for starch
fluid filled space with membrane, contains salts and sugars, and maintains turgor cell
what forms for positive fat/lipid test
the disaccharides (only one glucose)
produced by liver, stored in gallbladder, emulsifies (mixture that doesn't really blend) fats in small intestine
the bigger the difference, the faster the rate of diffusion
produces most enzymes secreted into small intestine
test for vitimin C
carbs/ fats (periodic table)
salivary ---- chemically breaks down carbohydrates in the mouth
jelly-like with organelles in it, the site of metabolic reactions
positive biuret test
test for fats/lipids
are proteins that function s biological catalyst
molecules we get at the end
positive for iodine solution test
smaller structures (molecule) which makes up larger chemical structures

52 Clues: two sugars • test for starch • test for proteins • test for vitimin C • the monosaccharides • the polysaccharides • more than two sugars • positive biuret test • test for fats/lipids • test for reducing sugars • glucose in molecule form • proteins (periodic table) • molecules we get at the end • carbs/ fats (periodic table) • positive for iodine solution test • ...

BIOLOGY WORKSHEET 2025-10-31

Across

divides heart sides
exchange gases
regulates heartbeat rate
transports nutrients
heart muscle relaxation
prevent blood backflow
heart muscle contraction
carry blood away
small blood vessels
initiates heart impulse

Down

fights infection
pumps blood out
triggers heart contraction
lower heart chambers
upper heart chambers
controls heart rhythm
return blood back
clot blood
allows chamber filling
carries oxygen

20 Clues: clot blood • exchange gases • carries oxygen • pumps blood out • fights infection • carry blood away • return blood back • divides heart sides • small blood vessels • lower heart chambers • upper heart chambers • transports nutrients • controls heart rhythm • prevent blood backflow • allows chamber filling • heart muscle relaxation • initiates heart impulse • regulates heartbeat rate • ...

Biology worksheet 2025-10-30

Across

Fibres that spread a signal throughout the rest of the ventricle
Specialized area of tissue that generates electrical impulses to initiate each heartbeat
Gather the blood from the capillary to the vein
Pumps deoxygenated blood to the lungs
Carries blood away from the heart
Produce antibodies
The yellowish liquid part of the blood
Specialized cluster of cardiac cells system that connects the atria and ventricles
Carries blood to or from the body cells
The most common type of blood cell
Carries blood back into the heart

Down

Ventricles relax to refill the heart with blood
Collects oxygenated blood
Collects deoxygenated blood
Engulf pathogens
First phase where inlet valves are open while the outlet valves are closed
Muscle tissue that contracts to pump blood out of the heart
The sequence of events that occurs during one heartbeat
Pumps oxygenated blood to the entire body cells
Ventricles contract to push blood out to the body and lungs

20 Clues: Engulf pathogens • Produce antibodies • Collects oxygenated blood • Collects deoxygenated blood • Carries blood away from the heart • Carries blood back into the heart • The most common type of blood cell • Pumps deoxygenated blood to the lungs • The yellowish liquid part of the blood • Carries blood to or from the body cells • Ventricles relax to refill the heart with blood • ...

biology review 2025-05-12

Across

capacity- the maximum population that a given area can sustain
organic substances are broken down into simpler forms of matter
An arrangement or organization of parts to form an organ, system, or living thing
cycle- the process by which carbon atoms from the earth are released into the atmosphere
maintaining the ideal conditions
the process by which plants use sunlight to synthesize food
interaction between two different organisms living in close physical association, typically to the advantage of both.
the purpose or role of a particular component, trait, or behavior of an organism
speeds up a chemical reaction
multiple monomers connect together
consumer- an organism that occupies the fourth consumer level in a food chain, feeding on tertiary consumers
factor- an environmental condition that restricts the growth, abundance, or distribution of a population or organism.

Down

movement from a high concentration to an area of low concentration
substance reacts rapidly with oxygen
consumer- an organism that eats producers, like plants or algae, in a food chain or food web
living organisms involving the production of energy
consumer- an animal that feeds on secondary consumers, typically carnivores that eat other carnivores
the natural, progressive change in the composition of species in an ecological community over time
a small molecule that can bond with other similar molecules to form a larger, more complex molecule called a polymer
growth- when the rate at which it increases is proportional to its value
anaerobic decomposition of buried dead animals
being firm or not easily moved
a change in characteristics that disrupts function
growth- when sources are limited
an organism that can create its own food using energy from the sun or from inorganic chemicals
consumer- an organism that eats primary consumers, which are usually herbivores or plant-eaters.
a molecule produced by living organisms and essential for their biological processes
absorbs most wavelengths of light except for green

28 Clues: speeds up a chemical reaction • being firm or not easily moved • maintaining the ideal conditions • growth- when sources are limited • multiple monomers connect together • substance reacts rapidly with oxygen • anaerobic decomposition of buried dead animals • a change in characteristics that disrupts function • absorbs most wavelengths of light except for green • ...

Biology crossword 2025-08-22

Across

any living thing is called
occurs in the mitochondria in aerobic conditions
stored in the roots,stems or leaves as a form of starch
factor that affects photosynthesis
where our energy is stored
site where photosynthesis happens
boundry of the cell
control centre of a cell
how plants produce energy
dioxide we breath it out
we breath it in

Down

staying stable
produces proteins
outerlayer that protects the outside of a plant cell
series of chemicle reactions
a regulatory substance produced in an organism
a condition where your body cant control suger properly
sugers contain_____
sugers contain energy locked in the bonds of their_______
carries our genetics

20 Clues: staying stable • we breath it in • produces proteins • sugers contain_____ • boundry of the cell • carries our genetics • control centre of a cell • dioxide we breath it out • how plants produce energy • any living thing is called • where our energy is stored • series of chemicle reactions • site where photosynthesis happens • factor that affects photosynthesis • ...

Biology Words 2025-08-29

Across

stores materials
The study of life
semipermeable
Makes proteins
Energy storage
store genetic information
Powerhouse of the cell
breaks down macromolecules
a chemical process where small molecules combine to form long chains

Down

energy required
a small molecule that can bind to other molecules
modifies, sorts, packages proteins
Source of energy
no energy required
movement of water from high and low to the hypertonic side
Cellular structure and hormones
converts light energy from the sun into energy
structural layer in plants, fungi's (not all cells)
Holds all the DNA
Basic unit of life

20 Clues: semipermeable • Makes proteins • Energy storage • energy required • stores materials • Source of energy • The study of life • Holds all the DNA • no energy required • Basic unit of life • Powerhouse of the cell • store genetic information • breaks down macromolecules • Cellular structure and hormones • modifies, sorts, packages proteins • converts light energy from the sun into energy • ...

Butterfly Biology 2025-11-03

Across

Change in form
Natural home or environment
Ability to feed on multiple hosts
Non-native harmful species
Fourth leg segment
Second leg segment
Dormancy period in insects
Chemical signals between insects
Behavior where butterflies drink from substrates containing sodium
Tube-like structure through which eggs are laid
Warning coloration
Shedding of integument
Defensive gland of swallowtail caterpillars
Stage of caterpillars
Tube-like tongue in butterflies
Insects, diseases, and weeds that cause damage to crops, trees, and livestock
Able to see ultraviolet light, in addition to the blue, green, and red
Resembling another to avoid predation
Semitransparent structure
Mimicry where harmful species have similar warning signals
Able to see blue, green, and red
Structures that cause light waves to overlap and interact
No longer in existence
Shimmering color-changing effect
Skin of insects
Strong natural polymer in exoskeletons
Orange pigment
Blue or green pigments
Fifth leg segment

Down

Red, orange, or tan pigments
Green pigment
Relationships that are mutually beneficial
Chemical poisons to kill pests
Tiny structures on wings arranged like shingles on a roof
Natural enemies developing inside insects
An insect or animal that feeds on other animals
Species where males and females look different
An insect or other agent that conveys pollen to a plant to promote fertilization
Blue or cyan pigment
At risk of extinction
Last segment of an insect leg that includes claws
Make their own chemicals
Disguised to avoid detection
Third leg segment
An animal that is caught and killed by another for food
Mimicry where harmless species copies harmful one
Skin of insects
Yellow, orange, and red pigments
Sugary secretion produced by some insects
First leg segment
Brown or black pigment
Light filtered in one direction
change Long-term change in weather patterns
Ability to feed on one host
Light-bending structures
Seasonal movement between regions

56 Clues: Green pigment • Change in form • Orange pigment • Skin of insects • Skin of insects • Third leg segment • First leg segment • Fifth leg segment • Fourth leg segment • Second leg segment • Warning coloration • Blue or cyan pigment • At risk of extinction • Stage of caterpillars • Shedding of integument • Brown or black pigment • No longer in existence • Blue or green pigments • Make their own chemicals • ...

biology review 2025-11-20

Across

an assemblage of different populations that live together in a defined area
the process through which heat is trapped near earths surface by substances known as "greenhouse gases"
an environmental condition that affects a population's size and growth rate regardless of the population's density
maximum population size of a species that an environment can sustain indefinitely, given the available resources like food, water, and shelter
describes how individuals of a species are spread out across their habitat, and can be either clumped, uniform, or random.
defined by patterns and averages over many years of temperature precipitation clouds wind and extreme weather events
the permanent movement of individuals of the same species into a population or habitat, increasing its size.
an organism that cannot produce its own food and must obtain nutrients by consuming other organisms or organic matter
the process of individuals leaving a population, habitat, or area to move to another
is the study of natures houses organisms based on energy and nutrients
an environmental factor that impacts a population's size and growth rate based on the population's density
all rocks on earth including continents and the ocean floor

Down

any living thing part of the environment with which an organism might interact
includes everywhere life exists.
an organism that produces its own food from inorganic substances, using light or chemical energy
consists of short-term changes in temperature precipitation clouds and wind from day to day minute to minute
any nonliving thing part of the environment sun light, heat, wind or water currents, soil
all organisms that live together in a place together with their physical environment
3 biomes and describe them
organisms, also called autotrophs, that create their own food using energy from sunlight or chemicals through photosynthesis or chemosynthesis
all of the water, vapor, and ice on earth

21 Clues: 3 biomes and describe them • includes everywhere life exists. • all of the water, vapor, and ice on earth • all rocks on earth including continents and the ocean floor • is the study of natures houses organisms based on energy and nutrients • an assemblage of different populations that live together in a defined area • ...

cell biology 2025-12-09

Across

Protein network that gives the cell shape and helps with movement.
A simple cell without a nucleus; includes bacteria.
The molecule that stores genetic instructions for life.
Rigid outer layer found in plant cells, fungi, and bacteria.
Scientist who first observed “cells” while studying cork.
Process where plants convert sunlight into chemical energy (glucose).
Organelle in plant cells where photosynthesis takes place.
Storage sacs inside cells for water, nutrients, or waste.
Organelle that breaks down waste, debris, and old cell parts.

Down

Organelles that modify, package, and ship proteins.
Scientist who concluded that all plants are made of cells.
A eukaryotic cell that has a cell wall, chloroplasts, and a large vacuole.
A eukaryotic cell that lacks a cell wall and chloroplasts.
Jelly-like fluid that fills the cell and holds organelles.
The control center of the cell that contains genetic material.
The semi-permeable barrier that controls what enters and leaves the cell.
Organelles that build proteins from amino acids.
A cell with a nucleus and membrane-bound organelles.
The organelle that produces cellular energy (ATP).
Process of cell division that creates two identical daughter cells.

20 Clues: Organelles that build proteins from amino acids. • The organelle that produces cellular energy (ATP). • Organelles that modify, package, and ship proteins. • A simple cell without a nucleus; includes bacteria. • A cell with a nucleus and membrane-bound organelles. • The molecule that stores genetic instructions for life. • ...

Biology Vocabularies 2025-12-09

Across

Web – Many connected food chains in an ecosystem.
– The natural home of a plant or animal.
– An animal that hunts other animals for food.
– An organism that eats other organisms.
– A community of living things interacting with their environment.
– The condition of the air and atmosphere at a certain time and place.
– A plant that makes its own food.
– The role an organism plays in its ecosystem.
– The study of how living things interact with their environment.
– A trait that helps an organism survive.
– Water that falls from the sky (rain, snow, hail).
– Organisms like fungi and bacteria that break down dead matter.
– The variety of life in an ecosystem.
Chain – A sequence that shows how energy moves from one organism to another.
– Everything that surrounds a living organism.

Down

– A long period with little or no rain.
– The amount of water vapor in the air.
– The average weather pattern in a place over a long period.
– Severe weather with strong winds, rain, or thunder.
– An animal that eats only other animals.
– A group of the same species living in one area.
– A group of similar organisms that can reproduce.
– How hot or cold something is.
– All the different populations living together.
– A prediction of future weather.
– An animal that eats only plants.
– Moving air.
– An animal that eats both plants and animals.
– The animal that is hunted by a predator.
– One of the four periods of the year with different weather.

30 Clues: – Moving air. • – How hot or cold something is. • – A prediction of future weather. • – A plant that makes its own food. • – An animal that eats only plants. • – The variety of life in an ecosystem. • – A long period with little or no rain. • – The amount of water vapor in the air. • – The natural home of a plant or animal. • – An organism that eats other organisms. • ...

Biology Review 2025-12-10

Across

Selection favors two or more extreme traits, leading to a split in the population.
The process of arranging organisms into groups based on shared characteristics.
The process of cell division where the nucleus divides.
Sugar, starch, or cellulose; provides energy.
Tiny openings on the leaf surface that allow gases like oxygen and carbon dioxide to enter and exit.
Made of amino acids; essential for muscle and enzyme functions.
The system of giving each organism a two-part scientific name (genus and species).
The process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.
The first division, separating homologous chromosomes.
The division of the cytoplasm, resulting in two daughter cells.
Chromosomes line up in the middle of the cell.
Small, simple cell without a nucleus; DNA floats freely; includes bacteria.
Fewer traits to select from, less tolerance to change, and increased susceptibility to disease (e.g., inbreeding).
Sister chromatids are pulled apart to opposite sides of the cell.
Chromosomes line up in the middle of each cell.
Series of reactions in photosynthesis that use energy to convert carbon dioxide into glucose.
Contain fibers that enable movement.
Homologous chromosomes pair up (synapsis) and crossing-over occurs, exchanging genetic material.
DNA and RNA; carry genetic information.
Two haploid cells are formed, each with half the original chromosome number.
Sister chromatids are pulled apart to opposite poles.
Regions with more evaporation, such as the Red Sea or the Persian Gulf.
The organelle known as the "powerhouse of the cell," where cellular respiration occurs.
Nuclear envelopes reform around the two sets of chromosomes; chromosomes begin to uncoil.
Fats and oils; store energy and make up cell membranes.
Four genetically diverse haploid cells are produced.
Respiration that requires oxygen, producing maximum ATP.

Down

Selection favors one extreme trait, shifting the population in that direction.
The second division, similar to mitosis, separating sister chromatids.
Respiration that does not require oxygen, producing less energy and sometimes lactic acid or alcohol.
Chromosomes condense again in each haploid cell.
The science of naming, describing, and classifying organisms.
Greater variation provides better adaptability, allowing populations to tolerate environmental changes.
A type of cell division that reduces the chromosome number by half, producing four haploid gamete cells (sperm and egg).
Transmit electrical signals in the nervous system.
A simple sugar that is broken down to produce energy during respiration.
Larger, complex cell with a nucleus; DNA is inside the nucleus; includes plants, animals, fungi.
Chromosomes condense, nuclear envelope breaks down, spindle fibers form.
The green pigment in plants that absorbs light energy for photosynthesis.
Part of photosynthesis that requires light to produce energy-rich molecules.
The main energy currency of the cell, produced during respiration.
Regions with more freshwater input, like estuaries or near river mouths.
Homologous chromosomes are pulled to opposite sides.
Gas required for aerobic respiration; acts as the final electron acceptor.
Carry oxygen throughout the body.
The concentration of salts in seawater, usually measured in parts per thousand (ppt).
Homologous pairs line up in the middle of the cell.

47 Clues: Carry oxygen throughout the body. • Contain fibers that enable movement. • DNA and RNA; carry genetic information. • Sugar, starch, or cellulose; provides energy. • Chromosomes line up in the middle of the cell. • Chromosomes line up in the middle of each cell. • Chromosomes condense again in each haploid cell. • Transmit electrical signals in the nervous system. • ...

Biology Crossword 2025-12-10

Across

learning through association or behavioural modification via reward
A diverse group of aquatic synthetic organisims
A medical doctor specializing in diagnosing disease by examining tisues and bodies in labs
A crucial neurotransmitter and hormone in the brain known as the "feel-good" chemical
Any behaviour intended to harm another person, animal or property
An action that is performed as a response to a stimulus and without conscious thought
Biology text authors
A large group of people living together in an organized of relaitves
The behaviour of male birds and other animals aimed at attracting a mate
A natural occurring inorganic solid with a specific chemical composition and order atomic structure
Life long process of acquiring new knowledge, skills, behaviours and values
An area or territory controlled by animals

Down

A lab instrument used to examine objects that are too small to be seen by the naked eye
Two masses of gray matter lying between the cerebral hemispheres
Distinctive features,qualities or traits that define a person, object or group
Study of living organisms
A process where natural selection favours a trait due to organisms of relatives
A rapid crucial learning process in young animals to form permanent attachment to parents, mates or species
The dark circular opening in the center of the iris of the eye
Endogenous chemicals that allow neurons to communicate with each other throughout the body
The inner layer of the eye that contains photoreceptors
The largest part of the brain
A fundamental capacity to do work, cause change or produce motion
A submicroscopic infectious agent that replicates only inside the living cells of an organism
The systematic creative investigation to discover new knowledge
A vital body fluid in the circulatory system
A state of being diverse

27 Clues: Biology text authors • A state of being diverse • Study of living organisms • The largest part of the brain • An area or territory controlled by animals • A vital body fluid in the circulatory system • A diverse group of aquatic synthetic organisims • The inner layer of the eye that contains photoreceptors • The dark circular opening in the center of the iris of the eye • ...

Biology unit5 2025-12-11

Across

Used to organize dna to fit in the nucleus, together with dna makes up chromatin
Gene mutation - when a base is substituted - changes only 1 amino acid
Replicating strand of dna that adds nucleotides moving toward helicase
Organelle where proteins are made
Single stranded nucleic acid used by cells, has bases a, u, g, and c, types include mrna, trna, and rna
3 letter section of mrna that codes for an amino acid
Section of a gene that codes for protein
Enzyme used to unzip the dna molecule during dna replication
Replicating strand of dna that adds nucleotides moving away from helicase
Monomer of proteins - these are carried by tra molecules during translation
Section of dna that codes for a protein, has introns and exons - passed from parents to offspring
2nd step of protein synthesis, takes place at a ribosome and uses tra molecules to assemble amino acids into proteins
Refers to dna and histone proteins that make up chromosomes
Type of mutation that changes whole sections of a chromosome by adding, deletion, inverting, or moving sections
Type of mutation that only affects one gene by substituting, adding, or deleting bases
Double stranded nucleic acid that has all genetic material, bases include a, t, g, and c, located in the nucleus
Strand of rna created during transcription - each 3-letter section is called a codon

Down

Section of a gene between exons - does not code for proteins, "junk"
Segment of newly formed dna on the lagging strand, connected together by ligase during dna replication
Macromolecule made of amino acids - used for enzymes, transport, and cell structures
Making a copy of dna, occurs during the s phase of interphase
Monomer of nucleic acids - made of a sugar, phosphate, and nitrogen base
1st step of protein synthesis, takes place in the nucleus and creates a strand of mrna
3 letter section of tra that matches to a codon of mrna
Gene mutation - when a base is added or deleted and changes all amino acids after the mutation
Part of a nucleotide along with a 5 carbon sugar and phosphate group
Type of rna used during translation, carries the amino acid and matches up with the mrna codon

27 Clues: Organelle where proteins are made • Section of a gene that codes for protein • 3 letter section of mrna that codes for an amino acid • 3 letter section of tra that matches to a codon of mrna • Refers to dna and histone proteins that make up chromosomes • Enzyme used to unzip the dna molecule during dna replication • ...

marine biology 2026-03-23

Across

a transient organ formed by the intimate apposition or fusion of fetal (embryonic) membranes and maternal (or paternal) tissues, functioning primarily for physiological exchange.
an organism that generates its own body heat internally through high metabolic activity rather than relying on the surrounding water temperature.
an animal that lacks a backbone or spinal column, comprising over 90% of all animal species
the free-swimming, umbrella- or bell-shaped gelatinous life stage of cnidarians, commonly known as jellyfish
a flexible, internal organ located in the dorsal body cavity of most bony fish, filled with oxygen, nitrogen, and carbon dioxide.
a specialized, shelled reproductive structure containing specialized membranes—the amnion, chorion, and allantois—that protect and hydrate the embryo.
an animal belonging to the subphylum Vertebrata (phylum Chordata) characterized by possessing a backbone or spinal column that protects the spinal cord, along with an internal skeleton (endoskeleton) and a skull.
animals that rely primarily on external environmental heat sources (the water) to regulate their body temperature
an internal structural framework—composed of bone, cartilage, or mineralized plates—located inside the body, covered by soft tissues.
where organisms, primarily crustaceans like crabs, lobsters, and shrimps, shed their rigid exoskeleton to allow for growth and development
the lack of equivalence, equivalence, or balance between two or more parts, where sides do not mirror each other

Down

an abnormal growth of tissue that protrudes from a mucous membrane, commonly found in the colon, stomach, uterus, nose, or vocal cords
a unique, hydraulic network of fluid-filled canals and tube feet exclusive to echinoderms
an organism, such as a plant or invertebrate animal, that possesses both male and female reproductive organs, allowing it to produce both eggs and sperm
a strong, flexible, and resilient connective tissue that serves as a vital structural component in animals, providing support, protecting joints, and reducing friction between bones.
the arrangement of body parts around a central axis, where the organism or object can be divided into similar halves by multiple planes passing through the center.
a form of asexual reproduction where a new organism develops as an outgrowth (bud) from a parent, eventually separating into a new individual
a rigid, protective external skeleton, often composed of chitin or calcium carbonate, that supports, protects, and enables movement for invertebrates like crabs, lobsters, and mollusks.
where an animal can be divided into identical left and right mirror images along a single, central plane, usually from head to tail.
the ecological region at the lowest level of a body of water, including the sediment surface and sub-surface layers.
specialized, milk-producing organs found in female marine mammals (cetaceans, pinnipeds, sirenians) used to nourish their young.

21 Clues: a unique, hydraulic network of fluid-filled canals and tube feet exclusive to echinoderms • an animal that lacks a backbone or spinal column, comprising over 90% of all animal species • the free-swimming, umbrella- or bell-shaped gelatinous life stage of cnidarians, commonly known as jellyfish • ...

Biology Review 2026-03-19

Across

a single helix
example of a eukaryotic organism
when the internal conditions of an organism remain stable despite changing external conditions
when a mutation does not help nor harm an organism
an input of cellular respiration
stores our genetic information
the right side of a chemical reaction
pairs with adenine
a single-celled organism
an organelle that controls the movement of particles into and out of the cell
the site of photosynthesis
the type of homeostasis in the body that maintains internal body temperature
a mutation that helps an organism
repairs cells, builds muscle, supports growth
an input of photosynthesis
a hormone released by the pancreas that helps maintain homeostasis after blood glucose levels rise
an input of cellular respiration
an output of cellular respiration that remains in the organism as energy
an input of photosynthesis
pairs with cytosine

Down

the left side of a chemical reaction
a mutation that harms an organism
pairs with guanine
the site of cellular respiration
a large molecule
a tool used for converting RNA bases into amino acids
an organelle that controls cell activities
the process of turning DNA into proteins
a multi-celled organism
example of a prokaryotic organism
a change to the DNA of an organism
gives us fast energy
pairs with thymine or uracil
provides long term energy storage

34 Clues: a single helix • a large molecule • pairs with guanine • pairs with adenine • pairs with cytosine • gives us fast energy • a multi-celled organism • a single-celled organism • the site of photosynthesis • an input of photosynthesis • an input of photosynthesis • pairs with thymine or uracil • stores our genetic information • example of a eukaryotic organism • ...

Biology - Biomes 2026-03-26

Across

Dark
Land
Unique
Crowding
contamination
Beginning
1st
Variety
Region
Heating
Intruder
Competition

Down

Clearing
Symbiosis
Recovery
light
Thermal
Water
Stable
Mixing
Network

21 Clues: 1st • Dark • Land • light • Water • Unique • Stable • Mixing • Region • Thermal • Variety • Network • Heating • Clearing • Recovery • Crowding • Intruder • Symbiosis • Beginning • Competition • contamination

Biology Invertebrates 2026-04-01

Across

A different type of Octopus
The ________ effect
Can be found in large underwater habitats
Multiple Arms
Ro__h
Spongebob's Friend
Long body, with multiple legs and a silver body
Crustation
Shocks you up on contact
Makes a chirping sound and only comes out at Night

Down

Slow with a Shell
Sucks blood
Slow but found underwater
Attaches to your body and is only found in water
Small round and black body, red spikes around it, only found in water
Attracted to lights and only comes out at Night
Small Insect that makes tunnels underground
Multiple legs
Small with Black and Yellow pattern
Ground Worm

20 Clues: Ro__h • Crustation • Sucks blood • Ground Worm • Multiple Arms • Multiple legs • Slow with a Shell • Spongebob's Friend • The ________ effect • Shocks you up on contact • Slow but found underwater • A different type of Octopus • Small with Black and Yellow pattern • Can be found in large underwater habitats • Small Insect that makes tunnels underground • ...

Biology crossword 2026-04-17

Across

father of botany
the study of the relationship of an organism to both its biotic and abiotic environment
the study of viruses
the study of geographical distribution of plants and animals
the study of origin and descent of organisms
the study of birds
the science of the transmission of body characteristics from parents to offspring
the study of fungi
the study of structure and function of animal and plant cells

Down

the study of metabolism of organisms and their parts
the study of diseases of plants and animals
father of medicine
the study of fishes
the study of bacteria
the study of algae
the science that deals with the phenomena and causes of immunity
the study of reptiles like lizards, snakes, etc
the study of insects
father of biology/father of zoology
the science of naming grouping and classifying plants and animals

20 Clues: father of botany • father of medicine • the study of algae • the study of birds • the study of fungi • the study of fishes • the study of viruses • the study of insects • the study of bacteria • father of biology/father of zoology • the study of diseases of plants and animals • the study of origin and descent of organisms • the study of reptiles like lizards, snakes, etc • ...

IB biology 2026-03-31

Across

Specialized transmembrane proteins that open or close in response to changes in the electrical potential across a cell membrane, allowing the selective flow of ions.
Maintaining a stable internal condition.
The shedding of uterine outer lining.
Carrier organism that transmits diseases.
Is the folding of the cell membrane to create pockets or grooves
Makes cells wide and thin
The original purpose of the CRISPR system in bacteria.
Signaling molecules that pass through the membrane easily.
Kingdom lacking cell walls.
Virus spread by mosquitos.
Human cells that contain multiple nuclei.
What distributes excess cholesterol to tissues, potentially contributing to cardiovascular problems?
Cancer causing agents.
The reason viral evolution is hard to trace due to the lack of ?

Down

Intake of nutrients that are needed for proper function.
Increase surface area through finger-like extensions off the cell membrane
Enzymes that regulate proteins through phosphorylation.
Cells that produce myelin in the nervous system.
What blood types can a person with type O blood receive in a blood transfusion?
Drugs that are ineffective against viruses because they target bacteria.
Body process that helps maintain a stable temperature.
Receptors that activate G proteins when a ligand binds
Awareness that can't be completely controlled.
When enzymes cut and insert DNA.
A double layer structure made by phospholipids.
Cells where mutations are more common due to divisions.
Reproductive cells with a short lifetime.
mOuter layer that gives shape and protection in bacteria.
Global outbreak that caused widespread concern.
A mutation that doesn't change the amino acid sequence.

30 Clues: Cancer causing agents. • Makes cells wide and thin • Virus spread by mosquitos. • Kingdom lacking cell walls. • When enzymes cut and insert DNA. • The shedding of uterine outer lining. • Maintaining a stable internal condition. • Carrier organism that transmits diseases. • Reproductive cells with a short lifetime. • Human cells that contain multiple nuclei. • ...

Biology Terms 2026-04-16

Across

Aims to improve the human race through controlled heredity
Animals who give birth to young ones
Study of Birds
Study of Bacteria
Study of structure of animal and plant cells
Study of Reptiles
Study of form and structure of plants and animals
Study of Algae
Study of Fishes
Father of Botany
Science that deals with phenomena and causes of immunity

Down

Father of Medicine
Animals who lay eggs
Father of Biology/Father of Zoology
Study of viruses
Study of Insects
Also called Taxonomy or Science of naming grouping and classifying plants and animals
Study of Fungi
Study of prehistoric forms of life through fossils
Study of gross structure of the organs in an organism

20 Clues: Study of Fungi • Study of Birds • Study of Algae • Study of Fishes • Study of viruses • Study of Insects • Father of Botany • Study of Bacteria • Study of Reptiles • Father of Medicine • Animals who lay eggs • Father of Biology/Father of Zoology • Animals who give birth to young ones • Study of structure of animal and plant cells • Study of form and structure of plants and animals • ...

Biology Crossword 2026-04-16

Across

organelle where photosynthesis takes place
the template for protein synthesis
force that brings nucleotides together
hybridization using a single trait with two alleles
transport water up the stem
short term energy
any disease-producing agent
an allele that produces its characteristic phenotype only when its paired allele is identical
holds genetic material
formation of compounds in plants aided by radiant energy
fine spores produced by flowers to fertilize other flowers

Down

balance
three nucleotides
holds cell organelles in place
physical traits present on an organism
double helix
the process by which a cell divides into two new cells
the act of making copies
transport nutrients up the stem
cell division that produces reproductive cells
needs a host to reproduce
section of DNA

22 Clues: balance • double helix • section of DNA • three nucleotides • short term energy • holds genetic material • the act of making copies • needs a host to reproduce • transport water up the stem • any disease-producing agent • holds cell organelles in place • transport nutrients up the stem • the template for protein synthesis • physical traits present on an organism • ...

biology stuff 2026-04-21

Across

dirty
30% of our world
not-alive things
top of the food chain
second worst
hunter
tiny hard stuffs found on beaches

Down

living things
colourful things that make up reefs
species move
makes food(bottom of food chain)
the thing organisms need to survive
70% of our world
organisms eating each other
hard stuff
hunted
animals
cleanup crew
interaction between abiotic and biotic factors
organisms that eat

20 Clues: dirty • hunted • hunter • animals • hard stuff • second worst • cleanup crew • living things • species move • 30% of our world • 70% of our world • not-alive things • organisms that eat • top of the food chain • organisms eating each other • makes food(bottom of food chain) • tiny hard stuffs found on beaches • colourful things that make up reefs • the thing organisms need to survive • ...

Biology Vocab 2026-05-18

Across

Enzyme that "unzips" DNA.
A relationship where one organism benefits and the other doesn't.
Has a copy of the trait but doesn't show it.
ancestor An ancient organism that other organisms descended from.
The total variety of life in the world or in a particular habitat or ecosystem.
Characteristic of individuals.
structures Body parts in different species that are similar in structure.
Molecule that preforms things in the body.
An organism that produces its own source of nutrients.
An animal that eats both plants and animals.
A community of interacting organisms in their environment.
fixation The process where bacteria convert atmospheric gas into a form plants can use.
cycle It moves slowly through rocks, soil, and water.
A large area that is specific with the right climate and animals.
evidence Remains or traces of ancient organisms.

Down

A relationship where both organisms are helped.
A part of DNA that codes for a protein or trait.
Caries genetic information.
An animal that only eats plants.
An animal that only eats meat.
Shows ancestors and where traits came from.
Genetic makeup of an organism.
Physical characteristic.
A group of different populations of different species living and interacting in the same area.
An organism that gains nutrition by eating other sources of nutrition.
cycle The process where this element moves through the atmosphere, soil, and living things via photosynthesis and respiration.
A group of the same species living in the same area.
The mRNA carries the information for making proteins to the
A relationship where one organism benefits and the other is not harmed or helped.
Which type of RNA functions as a blueprint of the genetic code?
A heritable trait that increases an organism's ability to survive and reproduce in its environment.
polymerase Adds new nucleotides to DNA strand.

32 Clues: Physical characteristic. • Enzyme that "unzips" DNA. • Caries genetic information. • An animal that only eats meat. • Genetic makeup of an organism. • Characteristic of individuals. • An animal that only eats plants. • Molecule that preforms things in the body. • Shows ancestors and where traits came from. • Has a copy of the trait but doesn't show it. • ...

Biology Crossword 2026-05-08

Across

study of changing genes in plants and animals
many food chains combined that all live in a similar ecosystem
directional growth or movement of an organism
a mechanism of evolution characterized by chance fluctuations allele frequencies from generation to generation
an animal that eats both plants and animals
a complex community of organisms
a process that breaks down glucose to produce energy(ATP)
study of classfying organisms
how non-living organisms can be classified
process of taking light energy and transforming it into chemical energy
small space in cells that stores air and fluid
Species of plant or animal that causes a major impact on an ecosystem
one set of chromosomes
sites of protein synthesis
the process where humans breed plants or animals
a genetic variant that expresses its trait even if an individual only carrys one verison of a trait
a chemical substance in living organisms that causes natural processes
cell without a nucleus
modifying molecular structures
membrane structure inside a cell that performs specific functions

Down

a form of inheritance where neither allele is fully expressed
a permenant change in a DNA sequence of a cell
graphically describes a large population growth
two different alleles
a version of a trait that only shows when two genes are paired from both parents
taxonomic rank when organizing animals and species
interchanging genes or segments
movement of water molecules across a semi-permanent membrane
an organism that has a significant effect on an ecosystem
both alleles are shown
a compound that occurs in living tissue and serves as a major source of energy
loss of genetic information that occurs in new populations
type of cell division that reduces an amount of chromosomes by half
a way living factors can be classified
cell with a nucleus
version of a gene that determines a trait
biological diversity in environments indicated
smallest unit of life
enzyme that breaks down milk sugars for digestion
study of all things living

40 Clues: cell with a nucleus • two different alleles • smallest unit of life • both alleles are shown • one set of chromosomes • cell without a nucleus • sites of protein synthesis • study of all things living • study of classfying organisms • modifying molecular structures • interchanging genes or segments • a complex community of organisms • a way living factors can be classified • ...

Biology Crossword 2026-05-10

Across

A red and white flower making a pink one is an example of ___
The smallest classification in taxomony
A parasite attaching on a deer is an example of ___
Observable traits
The system that the heart belongs to
The mutation "deletion" is an example of ___

Down

Plants make food through this process
A way to determine the likelihood of certain traits
An animal that eats only plants
An example of this is fats
The process of chopping down large amounts of trees
The percent of energy that moves up from primary to secondary consumers
A process a cell goes through if it is not functioning correctly anymore
Building block of all living things
Survival of the fittest
In sexual reproduction, offspring has ___
Malignant ___
A type of reproduction where all offspring are the same
HH
bonds DNA is held together by ___

20 Clues: HH • Malignant ___ • Observable traits • Survival of the fittest • An example of this is fats • An animal that eats only plants • bonds DNA is held together by ___ • Building block of all living things • The system that the heart belongs to • Plants make food through this process • The smallest classification in taxomony • In sexual reproduction, offspring has ___ • ...

biology crossword 2026-05-12

Across

Often called the "powerhouse," this is where oxygen and sugar are turned into usable energy.
A specialized cell designed to send electrical signals throughout the nervous system.
Organisms at the bottom of the food chain that create their own energy using sunlight.
A specialized protein that acts like a pair of chemical scissors or glue to speed up reactions.
The physical trait you can actually see, like blue eyes or tall height.
The internal "balancing act" your body performs to keep things stable, like sweating to cool down.
A "mini-organ" inside a cell that has a specific job, like the mitochondria or ribosome.
The green structure in plant cells where the magic of making food happens.
The protein in red blood cells that carries oxygen to the rest of the body.
The basic building block of DNA, made of a sugar, a phosphate, and a base.
The specific pigment that captures light energy and gives plants their color.
When the ribosome reads mRNA to string together a chain of amino acids.
A complex cell with a defined nucleus; it’s what you and all plants are made of.
A measure of how many different types of species are living in a specific area.
The simple sugar molecule that acts as the primary fuel for living things.
The longest part of the cell cycle where the cell grows and copies its DNA before dividing.
The evolutionary process by which a new and distinct species is formed.

Down

The actual letter combinations (like Aa or BB) that represent an organism's genes.
A process that happens without any oxygen present, like fermentation in tired muscles.
The process of rewriting DNA instructions into a portable mRNA message.
A simple, single-celled organism (like bacteria) that lacks a protected nucleus.
A biomolecule that provides quick energy; think of it as the "sugar and starch" group.
The process of unzipping DNA to make an exact copy of the genetic code.
The twisted ladder shape that DNA takes.
Transport Moving molecules across a membrane using energy, often pushing them "uphill" against a gradient.
An inherited trait that gives an organism a better chance of surviving in its environment.
A fancy name for fats and oils that help store energy for the long haul.
The main building block of the cell membrane, featuring a head that loves water and a tail that hates it.
Selection The process where "survival of the fittest" determines which traits get passed on.
The specific "job" or role an organism has within its habitat.
A "marker" on a cell or virus that tells the immune system whether it belongs there or is an invader.Hypothesis An educated guess you make before starting an experiment.
The tiny protein-making factory found floating in the cytoplasm or on the ER.
The non-living parts of an environment, such as rocks, sunlight, and water.
The tiniest of blood vessels where oxygen and waste are actually swapped.
A permanent change in the DNA sequence that can be helpful, harmful, or neutral.
A structure that used to be useful to an ancestor but no longer serves a purpose (like a tailbone).
Having two different versions of a gene, one dominant and one recessive.
The main "currency" or battery of the cell that provides energy for all activities.
The branch of science concerned with naming and grouping organisms.
The very final step of cell division where the cytoplasm pinches into two separate pieces.

40 Clues: The twisted ladder shape that DNA takes. • The specific "job" or role an organism has within its habitat. • The branch of science concerned with naming and grouping organisms. • The process of rewriting DNA instructions into a portable mRNA message. • The process of unzipping DNA to make an exact copy of the genetic code. • ...

Biology & Ecology 2026-05-13

Across

When investigating a crime scene, a detective finds a minuscule amount of blood, which is not enough to decipher who it belongs to. So they hired scientists to increase the amount of DNA using __-__-__
This process can be witnessed on a graph where population numbers increase after a decline
Like a zipper, ___ is used to separate two strands of DNA to allow for DNA polymerase to copy the strands
This biological process affects populations, NOT individuals
What is formed during endocytosis that brings substances into the cell
An example would be human wisdom teeth or Ostrich Wings
Made of sugar, phosphate, and a base, this “material” is what makes me different from you
A group of cells that have a similar structure and work to perform a common function
Male ligers , mules, and camas are examples of organisms that cannot produce offspring with one another because they are a ___
In a(n) ___, groups of elephants, and giraffes interact with the environment like rubbing on trees, drinking water or messing in mud can be called what?
The cellular process that releases carbon and often using fermentation
A plant in a cave leans toward the entry of the cave because a lot of sunlight enters during the afternoon. What stimulus response is occurring to the plant?
A part of a plant’s shoot system to transport nutrients/sucrose throughout the plant's tissues
more solutes and less solvent is called
A flower can self-pollinate if pollen from its anther touches the same flower’s…
Barnacles feed off passing plankton while on a whale's back while the whale just goes on with his day
Ten bunnies go off into the sunset, leaving the rest of their population behind, but after a few years the genetic diversity begins to decrease in that smaller colony. This can best be described as the ___-___
Examples could be butter, oil, fatty acids
Cells that have membrane bound organelles and make up the Domain Eukarya

Down

Anna’s brown hair was a result of the pairing BB, what is the appearance of her hair color called?
A cell division process that occurs in sexually reproducing organisms and creates 4 haploid daughter cells
If a cow’s DNA has been altered using biotechnology to produce more milk, it could be considered a what?
The organic compound that makes up a carbohydrate is called
___ is the part of the cell cycle where chromosomes (DNA) separate.
The type of DNA mutation least likely to cause a frameshift is…
A(n) ___ can help a doctor determine biological gender and any abnormal chromosomal pairings
Bread is an example of this short-term-energy provider
This can be blocked by competitive inhibitors to stop the substrate from fitting
DNA is made up of sugar, nitrogenous bases, and…
The head of a phospholipid is...
On a food web, a wolf eats both rabbits and deer and they have no higher predator. What level on the ecological pyramid are they?
___ factors can affect why a bunny has white fur in the winter and brown fur in the summer
An otter plays a specific role in its community by eating and keeping the sea urchin population in check. The ROLE it plays can be known as a…
These traits can lead to organisms gaining a higher fitness
RNA uses a different sugar called ribose, but it also has a base different from DNA called…
When a damaged cell needs to be removed from the body ___ occurs
The movement of only water molecules across a membrane using passive transport to even out concentration in a location can best be described as…
If a person’s pair 2 is XY, then that organism is a…
More of this is made during Aerobic respiration
An organism's ___ can be determined based on the amount of offspring produced who survive and also reproduce
Three bases on a DNA strand make up a…

41 Clues: The head of a phospholipid is... • Three bases on a DNA strand make up a… • more solutes and less solvent is called • Examples could be butter, oil, fatty acids • More of this is made during Aerobic respiration • DNA is made up of sugar, nitrogenous bases, and… • If a person’s pair 2 is XY, then that organism is a… • ...

Biology crossword 2026-05-05

Across

All the different populations that live and interact in the same area.
Allows for movement, posture, and heat production.
Tissue that conducts sugars downward from the leaves.
Tiny pores in a leaf that allow for gas exchange.
A substance that has a molecular structure consisting chiefly of a large number of similar units bonded together.
The jelly-like substance filling the cell.
The control center (brain, spinal cord, nerves); processes sensory info.
The process by which the structure of a biological community evolves over time.
The female organs of a flower (stigma, style, and ovary).
Tissue that carries water upward from the roots.
A network of glands that secrete hormones to regulate metabolism and growth.
A microscopic single-celled organism that has neither a distinct nucleus nor specialized organelles.
Non-living physical and chemical elements in the ecosystem.
The exhalation of water vapor through stomata.
Relating to or resulting from living things.
The first stage of cell division, before metaphase.
The site of protein synthesis.
The male fertilizing organ of a flower.
A relationship where both species benefit.
Cell division that produces reproductive cells.
Consists of bones and cartilage; provides structure and protects organs.
The lungs and airways; responsible for gas exchange (oxygen in, CO2 out).

Down

A trait that helps an organism survive and reproduce.
Part of the immune system; drains fluid (lymph) and fights infection.
The tendency toward a relatively stable equilibrium.
Includes skin, hair, and nails; acts as the body’s first line of defense.
The stage where chromosomes move away from one another to opposite poles.
The powerhouse of the cell (classic crossword fodder).
Process by which plants turn sunlight into energy.
A relationship where one species benefits and the other is unaffected.
A group of individuals of the same species living in a specific area.
The process by which certain traits become more or less common (Natural or Artificial).
Organism whose cells contain a nucleus.
Green pigment responsible for the absorption of light.
An interaction where one organism (predator) kills and eats another (prey).
An organism that makes its own food (Autotroph).
Breaks down food into nutrients the body can absorb.
A specialized subunit within a cell.
(Also called Circulatory) The heart and blood vessels that transport nutrients and oxygen.
The stage where chromosomes become attached to the spindle fibers.
The resting phase between successive mitotic divisions of a cell.
A relationship where one species benefits (parasite) at the expense of the other (host).
Process of cell division resulting in two identical daughter cells.

43 Clues: The site of protein synthesis. • A specialized subunit within a cell. • Organism whose cells contain a nucleus. • The male fertilizing organ of a flower. • The jelly-like substance filling the cell. • A relationship where both species benefit. • Relating to or resulting from living things. • The exhalation of water vapor through stomata. • ...

Biology Crossword 2026-05-10

Across

Organelle known as the “powerhouse of the cell.”
The structure in plant cells that provides support and protection.
The organelle that contains chlorophyll.
The fluid portion of blood.
Scientist who proposed natural selection.
The phase of the cell cycle when DNA is copied.
The largest organ in the human body.
A change in DNA sequence.
Process in which organisms gradually change over time.
Blood vessels that carry blood away from the heart.
Type of organism that makes its own food.
Type of immunity gained after vaccination.
Organ system responsible for transporting materials in the body.
Gas released during photosynthesis.
The stage of mitosis when chromosomes line up in the middle.
The sugar found in DNA.
Kingdom made up of mushrooms and molds.
The basic unit of life.
The opening on a leaf used for gas exchange.
The bond that holds together complementary DNA bases.
Relationship in which both organisms benefit.
The process of cell division that produces identical cells.

Down

Structure that controls what enters and leaves the cell.
The part of the neuron that carries impulses away from the cell body.
Tiny structures in cells that make proteins.
The process by which traits become more common in a population over generations.
The hormone that regulates blood sugar levels.
Process plants use to convert sunlight into chemical energy.
Movement of water across a selectively permeable membrane.
The type of RNA involved in carrying amino acids during protein synthesis.
Organism that breaks down dead material.
The smallest classification group in taxonomy.
A trait controlled by more than one gene is called this type of inheritance.
The type of symbiosis in which one organism benefits and the other is harmed.
Molecule that carries genetic information.
The reactant needed for cellular respiration besides glucose.
The study of heredity.
A food chain begins with this type of organism.
Process by which organisms maintain stable internal conditions.
Type of reproduction involving one parent.

40 Clues: The study of heredity. • The sugar found in DNA. • The basic unit of life. • A change in DNA sequence. • The fluid portion of blood. • Gas released during photosynthesis. • The largest organ in the human body. • Kingdom made up of mushrooms and molds. • The organelle that contains chlorophyll. • Organism that breaks down dead material. • ...

Biology crosswork 2026-05-11

Across

Body systems responsible for fighting off infections
A simple, single-celled organism that lacks a nucleus
The mechanism of evolution where the most fit organisms survive and reproduce
A hydrophobic molecule used for long-term energy storage and insulation
The organelle where glucose is broken down to create ATP energy
The formation of a new and distinct species over the course of evolution
The site of photosynthesis where light energy is converted into chemical energy
Factors in an ecosystem that are not alive
Cell division that creates four genetically different haploid gametes
The stage of the cell cycle where the nucleus divides into two identical nuclei
consumer that feeds directly on producers
A symbiotic relationship in which both species benefit from the relationship
Organism that obtains energy from the foods it consumes; also called a consumer
A biological catalyst that lowers activation energy to speed up reactions
The single cell that is formed when a sperm and egg unite during fertilization
Each step in the energy pyramid
Any change in the DNA sequence that can be helpful, harmful, or neutral
An organism that makes its own food

Down

The genetic combination of alleles represented by letters like Aa or bb
An organism like a fungus that breaks down dead matter and returns nutrients to the soil
A condition in which both alleles for a gene are fully and separately expressed
An organism that can make its own food.
The process at the ribosome where mRNA is read to build a protein
A medicine used to kill bacterial infections but is ineffective against viruses
A close relationship between two species that benefits at least one of the species.
A beneficial trait that helps an organism survive in its specific environment
The specific term for water diffusing across a semi-permeable membrane
The process occurring in the nucleus where DNA is used to make mRNA
A macromolecule composed of monosaccharides used for quick energy
The movement of materials across a membrane that requires the cell to use energy
The monomer of nucleic acids made of a sugar, phosphate, and nitrogen base
Nonliving, requires a host to replicate, move and survive
The physical expression of a trait that you can actually observe with your eyes
Having two different versions of an allele for a specific gene
An association between two organisms in which one benefits and the other derives neither benefit nor harm.
A viral replication cycle in which copies of a virus are made within a host cell, which then bursts open, releasing new viruses
A genetic situation where the phenotype is a blend
A structure that has lost its original function through evolution
Any type of harmful agent that can cause illness (virus or bacteria)
The constant struggle of a cell to keep its internal conditions balanced and stable

40 Clues: Each step in the energy pyramid • An organism that makes its own food • An organism that can make its own food. • consumer that feeds directly on producers • Factors in an ecosystem that are not alive • A genetic situation where the phenotype is a blend • Body systems responsible for fighting off infections • A simple, single-celled organism that lacks a nucleus • ...

Biology Review 2026-05-12

Across

Process that occurs in the mitochondria and converts glucose to ATP.
The process by which individuals better suited to their environment survive and reproduce.
Living components of an ecosystem.
Organelle known as the "powerhouse," where ATP is produced.
The main energy currency of the cell.
Nonliving components of an ecosystem
Respiration that requires oxygen.
one set of chromosomes
multiple populations living in the same area
Having two different alleles for a particular gene. |
A non-native species that causes harm to its new environment.
Evolution characterized by long periods of stability followed by sudden change.
The allele that is only displayed if both
Transfer of alleles between populations.
An organism that produces its own food
Cell division that produces four genetically unique haploid gametes. |
Preserved remains of ancient organisms.
The movement of alleles into or out of a population due to migration. |
A chemical reaction that builds polymers by removing water. |

Down

the allele that masks
The maximum number of individuals an environment can support.
An organism that must consume others for energy. |
Factors Things that slow population growth (food, space).
Moving into a population.
all of the abiotic and biotic things in a space
The variety of life in a particular habitat or ecosystem. |
The process of maintaining a stable internal environment. |
A large molecule (protein, lipid, carb, or nucleic acid).
Respiration that does *not* require oxygen.
Structures that are similar in function but do not share a common evolutionary origin. |
a group of the same species living in the same area
Describes DNA replication because each new molecule has one old and one new strand. |
An inherited characteristic
The physical expression or appearance of a genetic trait
Drift Random change in allele frequency.
The process of cell division that results in two identical daughter cells.
A single building block that joins with others to form a chain. |
two sets of chromosomes
Moving out of a population.
The genetic makeup of an organism (e.g., Aa).
A reaction that breaks down compounds by adding water. |
Ability to survive and reproduce.
Large organic molecules.

43 Clues: the allele that masks • one set of chromosomes • two sets of chromosomes • Large organic molecules. • Moving into a population. • An inherited characteristic • Moving out of a population. • Respiration that requires oxygen. • Ability to survive and reproduce. • Living components of an ecosystem. • Nonliving components of an ecosystem • The main energy currency of the cell. • ...

Introducing biology 2026-06-12

Across

– The study of plants.
– The study of formation and development of embryos of plants and animals.
– The study of relationships of organisms with their biotic and abiotic environment.
– The study of fungi.
– The study of animals.
– The study of form and structure of plants and animals.
– The study of prehistoric life through fossils.
– The study of functions and activities of organisms and their parts.
– The study of structure and function of animal and plant cells.
– The study of reptiles, lizards and snakes.
– The study of gross structure of organs in an organism as revealed by dissection.

Down

– The study of bacteria.
– The study of insects.
(Algology) – The study of algae.
– The study of fishes.
– The study of tissues using a microscope.
– The study of viruses.
– The study of birds.
– The study of origin and descent of organisms.
– The science of naming, grouping and classifying plants and animals.
– The study of geographical distribution of plants and animals.
– The science of inheritance of characteristics from parents to offspring

22 Clues: – The study of fungi. • – The study of birds. • – The study of plants. • – The study of fishes. • – The study of insects. • – The study of viruses. • – The study of animals. • – The study of bacteria. • (Algology) – The study of algae. • – The study of tissues using a microscope. • – The study of reptiles, lizards and snakes. • – The study of origin and descent of organisms. • ...

Biology Crossword 2026-06-14

Across

Father of Botany
Study of fishes
Study of insects
Study of reptiles
Study of birds
Father of medicine
Process of producing genetically identical organisms
The verification of person by his/her body features
Father of Zoology
Technique of producing silk by raising silkworms
Study of structure and function of an organism
Study of life

Down

Study of formation and development of embryo
Technique of growing fish
use of living cells in industry and technology
Study of diseases of plants and animals
Science aiming to improve human race
Study of genomes as opposed to individual genes
Study of viruses
bodily structure of an organism or of any of its parts

20 Clues: Study of life • Study of birds • Study of fishes • Father of Botany • Study of insects • Study of viruses • Study of reptiles • Father of Zoology • Father of medicine • Technique of growing fish • Science aiming to improve human race • Study of diseases of plants and animals • Study of formation and development of embryo • use of living cells in industry and technology • ...

Biology 1 2026-08-31

Across

data-data containing measurements involving numbers
logical knowledge interpreted from prior knowledge.
a single parent Organism making a clone of its self.
the factor being tested
describes an organism made of I cell
the sum of the processes of taking Smaller molecules or elements to make bigger Molecules
data collected by observation & measurement
model a visual representation of an idea we cannot see.
the study of living things
2 parent organisms making a genetically unique organism.
the theory that living things come from other living things.
an organism whose body temperature gaerg as the enviornment. is the same as
is the group used as a base Measurement with no variable.
a possible testable explaination, educated quess" backed by observation & research
organisms that eat plants and animals
the sum of the processes of taking larger molecules and breaking them down into smaller molecules
organisms that need to eat or absorb food
is the group containing the variable
the smallest piece of a living thing Considered alive!
an educated guess answering a very Specific question.
organisms that eat only plants
we'll tested explaination of how something works

Down

the theory that in the far past living things came from chemical reactions (Evolution)
the process of heating something until the micro organisms in it die."
An experiment where the only the factor being Studied can change everything else must stay the same.
the I thing being tested in an experiment
a reaction in your body to the enviornment to help keep internal Conditions Steady.
the process used by plants and algae to use sunlight sunli and chemicals to make food.
data-data gathered by observation
Structures in an organism that allow them to sense the enviornment.
- the theory that Simple living things can come from non-living things.
organisms that make their own food
abrupt change in the DNA of an organism
describes an organism made of many cells
a well tested theory that works all the time
a testing group without the variable
organisms that eat other animals
the sum total of the processes that use and store energy in an organism.
the passing of characteristics from parent to offspring by DNA
an organism that keeps its body temperature stable through metabolism

40 Clues: the factor being tested • the study of living things • organisms that eat only plants • organisms that eat other animals • data-data gathered by observation • organisms that make their own food • describes an organism made of I cell • a testing group without the variable • is the group containing the variable • organisms that eat plants and animals • ...

Biology Review 2026-08-25

Across

Descriptive observations or data that detail qualities or characteristics using senses rather than numerical values.
The process by which an organism maintains a stable internal environment.
A testable prediction or educated guess about the outcome of an experiment.
genetic molecule that carries hereditary instructions for the development and function of organisms.
A logical conclusion or interpretation derived from prior knowledge and observations.
specialized structure within a cell that performs a specific function essential to cellular operations.
Numerical data or measurements gathered during an experiment that can be counted or calculated.
variable that is measured or observed to see how it responds to changes.
The sum of all chemical reactions that occur within a living organism to sustain life.
A well-substantiated, broadly accepted explanation of a natural phenomenon supported by extensive empirical evidence.
passage of genetic traits and characteristics from parents to offspring through DNA.

Down

process of gathering information using the five senses or measurement tools.
Quantitative or qualitative evidence and measurements collected during an investigation.
fundamental, structural, and functional unit of all living organisms.
group in an investigation that receives the specific treatment or variable being tested.
The standard or group used for comparison in an experiment where variables remain unchanged.
variable that is purposefully changed or manipulated by the scientist.
factor, trait, or condition that can exist in differing amounts or types in an experiment.
Factors in an experiment that are kept exactly the same across all trial groups.
An individual living thing that demonstrates all basic characteristics of life.
signal or physical change in the environment that causes an organism to react

21 Clues: fundamental, structural, and functional unit of all living organisms. • variable that is purposefully changed or manipulated by the scientist. • variable that is measured or observed to see how it responds to changes. • The process by which an organism maintains a stable internal environment. • ...

Biology Crossword 2026-09-04

Across

An organelle in plant cells that captures light energy for making food.
A system of membranes that helps make and transport proteins and other materials.
An organelle that breaks down waste and worn-out cell parts.
A stiff outer layer that supports and protects plant cells.
The smallest basic unit of life.
Organelles that produce most of the usable energy for a cell.
The study of living things and how they function.
Movement of substances across a cell membrane without using cellular energy.
A small building block that can join with others to make a larger molecule.
The specific part of an enzyme where a substance attaches.

Down

A type of biomolecule that provides quick energy for cells.
The organelle that contains the cell's DNA and controls many cell activities.
A biomolecule used for long-term energy storage and making cell membranes.
The process of joining small molecules together to form a larger molecule.
The movement of water across a selectively permeable membrane.
A biomolecule that stores and carries genetic information.
A protein that speeds up a chemical reaction in a cell.
The thin layer that controls what enters and leaves a cell.
Movement of substances across a cell membrane using energy.
An organelle that modifies, sorts, and packages proteins and other materials.

20 Clues: The smallest basic unit of life. • The study of living things and how they function. • A protein that speeds up a chemical reaction in a cell. • A biomolecule that stores and carries genetic information. • The specific part of an enzyme where a substance attaches. • A type of biomolecule that provides quick energy for cells. • ...

Biology time! 2026-09-08

Across

An organism with two identical alleles for a given gene
Inheritance pattern where a heterozygote shows an intermediate phenotype
Cancer that has spread from its original site to other parts of the body
A chronic disease characterised by high blood glucose levels
The physical location of a gene on a chromosome
Immunity gained through exposure to a pathogen or vaccine that generates memory cells
An uncontrolled division of cells forming a mass
The evolutionary process by which populations change over time due to selection pressures
An organism whose genome has been altered using biotechnology
The study of the distribution and determinants of disease in populations
A weakened or inactive form of a pathogen used to stimulate immunity
A substance known to cause cancer
A technique used to make many copies of a specific DNA segment
The genetic makeup of an organism
The body's system for maintaining a stable internal environment
An organism's observable characteristics
A version of a gene
A change in a single nucleotide base pair
Factors like diet, smoking, and exercise that influence disease risk

Down

A pattern of inheritance where both alleles are fully expressed in the heterozygote
Programmed cell death, a normal process disrupted in cancer
White blood cells responsible for engulfing pathogens
The process of cell division that produces gametes with half the chromosome number
A random change in allele frequency, especially significant in small populations
A disease-causing organism
Bacterial enzymes that cut DNA at specific sequences, used in genetic engineering
A non-cellular infectious agent that requires a host cell to replicate
A permanent change in the DNA sequence
The transfer of a pathogen from a reservoir to a susceptible host
A disorder in which the immune system attacks the body's own cells
A molecule on the surface of a pathogen that triggers an immune response
Proteins produced by B cells that recognise specific antigens
A disease not caused by a pathogen
The gene-editing tool derived from a bacterial immune system
The exchange of genetic material between homologous chromosomes during meiosis
A hormone-producing gland involved in regulating metabolism
The enzyme that unwinds the DNA double helix during replication
An organism that carries and transmits a pathogen without being affected itself
A diagram used to trace inheritance of a trait through generations of a family
A small circular piece of bacterial DNA often used as a vector in genetic engineering

40 Clues: A version of a gene • A disease-causing organism • A substance known to cause cancer • The genetic makeup of an organism • A disease not caused by a pathogen • A permanent change in the DNA sequence • An organism's observable characteristics • A change in a single nucleotide base pair • The physical location of a gene on a chromosome • ...

Biology time! 2026-09-08

Across

Protein that recognises specific antigens
Enzyme that cuts DNA at specific sequences
A change in a single DNA base pair
A disease-causing organism
Immunity from exposure, using memory cells
Study of disease patterns in populations
Technique used to copy DNA segments
Cell division producing gametes
Maintaining a stable internal environment
Immune system attacks the body's own cells
White blood cell that engulfs pathogens
The location of a gene on a chromosome
Having two identical alleles for a gene
Exchange of genetic material between homologous chromosomes
Stimulates immunity using a weakened pathogen

Down

Transfer of a pathogen to a host
An organism's observable characteristics
Cancer spreading to other body parts
Non-cellular agent that needs a host to replicate
Molecule that triggers an immune response
Heterozygote shows an intermediate phenotype
Programmed cell death
Enzyme that unwinds the DNA double helix
Genome altered using biotechnology
Gene-editing tool from a bacterial immune system
Carries and transmits a pathogen unaffected
Circular bacterial DNA used as a vector

27 Clues: Programmed cell death • A disease-causing organism • Cell division producing gametes • Transfer of a pathogen to a host • A change in a single DNA base pair • Genome altered using biotechnology • Technique used to copy DNA segments • Cancer spreading to other body parts • The location of a gene on a chromosome • White blood cell that engulfs pathogens • ...

Biology Crossword 2026-09-09

Across

Macromolecule made of glycerol and fatty acids, used for energy storage and membranes.
Organelle that makes proteins; created in the nucleolus.
Acid Macromolecule made of nucleotides that stores genetic information.
Wall Organelle/structure used for support and protection in some cells, plants, and fungi.
Site Place on an enzyme where a substrate binds.
The study of living things.
Transport Type of cellular transport that requires energy; includes solute pumping, endocytosis, and exocytosis.
Macromolecule made of amino acids, used for enzymes, transport, and cell structures.
Passive transport process that causes water to move toward the hypertonic side of a membrane.
Organelle that modifies, sorts, and packages proteins into vesicles.
Membrane Organelle/boundary of the cell that decides what comes in and out.

Down

Organelle used to store substances; plants have one large vacuole while animals have many small ones.
Organelle full of enzymes that break down substances.
Basic unit of structure and function in living things.
Macromolecule made of monosaccharides, a source of energy for living things.
Reticulum Organelle that folds and transports proteins (rough) or lipids (smooth).
Process of building monomers into polymers.
Small subunit used to build polymers.
Organelle where photosynthesis occurs and glucose is created.
Protein that speeds up biological reactions by lowering the activation energy.
Organelle where cellular respiration occurs and ATP is created.
Organelle that is the control center of the cell and holds DNA.
Transport Type of cellular transport that does not require energy; includes diffusion, facilitated diffusion, and osmosis.

23 Clues: The study of living things. • Small subunit used to build polymers. • Process of building monomers into polymers. • Site Place on an enzyme where a substrate binds. • Organelle full of enzymes that break down substances. • Basic unit of structure and function in living things. • Organelle that makes proteins; created in the nucleolus. • ...

Biology Vocab 2026-09-11

Across

macromolecule, made of monosaccharides, short term energy
organelle, makes proteins, created in nucleus
reticulum organelle, folds transports & exports proteins (rough) or lipids (smooth)
organelle, site of cellular respiration, creates ATP
transport cellular transport that needs energy, has solute pumping, has endocytosis, & has excytosis
transport cellular transport that doesn't need energy, has diffusion, has facilitated diffusion, & osmosis
organelle, control center, holds DNA
macromolecule, used for energy storage and cleansing
basic unit of life
wall organelle, used for structure & support in cells, plants, & fungi
small subunit used to build polymers
membrane organelle, boundary of Cell, controls what goes in and out of cell
organelle, full of enzymes to break down substances

Down

passive transport process, causes water to move toward that hypertonic side of a membrane
macromolecule, made of amino acids, used for enzymes, transportation, and cell structure
process of building monomers into polymers
apparatus organelle, modifies, sorts, & packages protein into vesicles
acid macromolecule, made of nucleotides, stores genetic info
study of living things
organelle used to store substances while plants have one large & animals have many small
site place on an enzyme that binds to a substance
organelle, site of photo synthesis, creates glucose
protein that speeds up biological reactions by lowering activation energy

23 Clues: basic unit of life • study of living things • organelle, control center, holds DNA • small subunit used to build polymers • process of building monomers into polymers • organelle, makes proteins, created in nucleus • organelle, site of photo synthesis, creates glucose • organelle, full of enzymes to break down substances • ...

Biology 11 2019-02-21

Across

consists of several cells
the father of taxonomy
ex. Kingdom, phylum, class, order, family, genus, species
Has peptidoglycan in cell
a diagram that shows the evolutionary relationships among a group of organisms
does NOT have a nucleus
makes up the cell walls of fungi
consists of one cell
a model that uses DNA comparisons to estimate the length of time that two species have been evolving indepentdently.
a two word naming system, genus followed by species
Was a kingdom that was split into eubacteria and archaebacteria
an organism that has to find or hunt its food

Down

present only in plants, give them their green colour and result in their ability to successfully carry out photosynthesis
ex. Eubacteria, archaebacteria, protista, fungi, plantae, anamalia
the strategy of grouping organisms together based on their evolutionary history
the organisms in this kingdom don’t have cell walls or chloroplasts
does have a nucleus
something who’s presence or absence in the cell wall determines whether the organism is part of the domain bacteria or archaea.
characteristics that can be used to construct a cladogram
the study of evolutionary relationships among organisms
an organism that produces its own food

21 Clues: does have a nucleus • consists of one cell • the father of taxonomy • does NOT have a nucleus • consists of several cells • Has peptidoglycan in cell • makes up the cell walls of fungi • an organism that produces its own food • an organism that has to find or hunt its food • a two word naming system, genus followed by species • ...

Biology crossword 2018-05-07

Across

a sequence of three nucleotides that together form a unit of genetic code
pair of complementary bases in a double-stranded nucleic acid molecule
organism that contains genetic material that isnt its
the action of copying or reproducing something
A pyrimidine derivative, it is paired with adenine in double-stranded DNA.
the deliberate modification of the characteristics of an organism by manipulating its genetic material.
sequence of nucleotide triplets in a messenger RNA molecule gives rise to a specific sequence of amino acids during synthesis of a polypeptide or protein.
is an enzyme that synthesizes short RNA sequences called primers

Down

compound found in living tissue as a constituent base of nucleic acids.
enzymes enzyme produced chiefly having the property of cleaving DNA
a compound that occurs in guano and fish scales,
scientific tests or techniques used in connection with the detection of crime.
small circular DNA strand in the cytoplasm
fruitfly scientist
transplantation of normal genes into cells in place of missing or defective ones
a sugar derived from ribose by replacing a hydroxyl group with hydrogen.
enzyme that brings about ligation of DNA
compound that is one of the four constituent bases of nucleic acids.
main function is to unpackage an organism's genes
genetically identical.

20 Clues: fruitfly scientist • genetically identical. • enzyme that brings about ligation of DNA • small circular DNA strand in the cytoplasm • the action of copying or reproducing something • a compound that occurs in guano and fish scales, • main function is to unpackage an organism's genes • organism that contains genetic material that isnt its • ...

Biology terms 2018-01-15

Across

It is a structural layer surrounding some types of cells, situated outside the cell membrane.
It is the first phase of mitosis.
The daughter cells are identical to the parent as well as to each other.
It is technically the final stage of mitosis.
It is homologous chromosomes separate leading to daughter cells that are not genetically identical.
It is the part of a chromosome that links a pair of sister chromatids.
An organized profile of a person's chromosomes.
It contains the diploid chromosome number and it produces through mitosis.
It is divided into two domains, bacteria and archaea.
Cells with one set.
If it was made up of DNA, it acts as instructions to make molecules called proteins.
It forms a protein structure that divides the genetic material in a cell.
Any cell or organism that possesses a clearly defined nucleus.
It is a variant form of a gene.
It is found only in animal cells and it is used during cell reproduction.
It is the third phase of mitosis.

Down

It is the basic structural, functional, and biological unit of all known living organisms.
It is a process of programmed cell death that occurs in multicellular organisms.
It is made up of long chains of amino acids.
It links amino acids together in the order specified by messenger RNA molecules.
They are made of protein and one molecule of DNA, which contains an organism's genetic instructions, passed from parents.
Cells with two sets.
Contain the haploid chromosome number and produce through meiosis.
It is found in all living things.
It is encoded either in DNA or for many types of virus in RNA.
It is one of several structures with specialized functions, suspended in the cytoplasm of a eukaryotic cell.
It can be divided by mitosis to produce more of that.
A specialized structure occurring in most cells and separated from the rest of the cell by a double layer, the nuclear membrane.
It is the phase of the cell cycle in which a typical cell spends most of its life.

29 Clues: Cells with one set. • Cells with two sets. • It is a variant form of a gene. • It is the first phase of mitosis. • It is found in all living things. • It is the third phase of mitosis. • It is made up of long chains of amino acids. • It is technically the final stage of mitosis. • An organized profile of a person's chromosomes. • ...

Biology Terms 2018-01-15

Across

Complex molecules which are made of amino acids
When nuclear membranes are formed during cell division
Genetic instructions encoded in DNA
A type of cell which lacks membrane bound organelles
Genetic material found in the nucleus
Small organs in cells which enable life
A cell which contains two sets of complete chromosomes
Thread-like structures which carry hereditary information
Cell division where identical cells are produced
Cells which create reproductive cells
An organelle which contains genetic material
Heredity Information passed down from your parents
The gene which is located on the same spot of a chromosome

Down

The visual representation of chromosomes
The stage of cell division were chromosomes are visible
A type of cell which has a membrane-bound nucleus
Cells other than reproductive cells
An organelle where proteins are made
The structure which holds together the two chromatids
Organelles which aid during cell division
Mircotubles which move chromosomes during cell division
Also known as 'resting phase' when DNA replications occurs
Having a set of unpaired chromosomes
The second stage of cell division
The process of a programmed cell death
The building blocks of living things
The process of cell division where the result is four daughter cells
The type of cell which goes through meiosis
A structural layer outside the plasma membrane

29 Clues: The second stage of cell division • Cells other than reproductive cells • Genetic instructions encoded in DNA • An organelle where proteins are made • Having a set of unpaired chromosomes • The building blocks of living things • Genetic material found in the nucleus • Cells which create reproductive cells • The process of a programmed cell death • ...

Biology Vocabulary 2021-12-14

Across

Phase of mitosis in which the chromosomes line up across the center of the cell
Process in which cells become specialized in structure and function
Substance found in eukaryotic chromosomes that consist of DNA tightly coiled around histones
Series of events in which a cell grows, prepares for division, and divides to form two daughter cells
Cells that are capable of developing into some but not all the body's cells
Period of the cell cycle between cell division
Structure in an animal cell that helps to organize cell division
Region of a chromosome where the two sister chromatids attach
Division of the cytoplasm to form two separate daughter cells
Disorder in which some of the body's cells lose the ability to control growth
Cells that are able to develop into any type of cell in the body
Stage of early development in mammals that consist of a hollow ball of cells
Process of programmed cell death

Down

Reproduction involving the union of gametes
One of a group of external regulatory proteins that stimulate the growth and division of cells
Cell with limited potential to develop into many types of differentiated cells
Part of eukaryotic cell division during which the cell nucleus divides
Phase of mitosis in which the distinct individual chromosomes begin to spread out into a tangle of chromatin
Reproduction, as budding, fission, or spore formation, not involving the union of gametes.
First and longest phase of mitosis in which the genetic material inside the nucleus condenses and the chromosomes become visible
The division of a cell into two daughter cells with the same genetic material
Threadlike structure of DNA and protein that contains genetic information in eukaryotes, chromosomes are found in the nucleus;in prokaryotes, they are found in the cytoplasm
one of the two identical sister parts of a duplicated chromosome
Unspecialized cells that can give rise to one or more types of specialized cells
Mass of rapidly dividing cells that can damage surrounding tissue
Phase of mitosis in which the chromosomes separate and move to opposite ends of the cell
Developing stage of a multicellular organism
One of a family of proteins that regulates the cell cycle in eukaryotic cells

28 Clues: Process of programmed cell death • Reproduction involving the union of gametes • Developing stage of a multicellular organism • Period of the cell cycle between cell division • Region of a chromosome where the two sister chromatids attach • Division of the cytoplasm to form two separate daughter cells • ...

Biology Review! 2021-12-14

Across

the system of sexual reproduction
consumes food by producers
the system of your heart
produces food for consumers
cycle of viral reproduction
the hormones system
levels of consumers in an environment.
macronutrient
normally a plant, with the highest energy on a energy pyramid.
transports carbohydrates in a plant
involves bacteria and needs a host.

Down

the system of excretion
the system on your body's form and stability.
the system of your skin and body regulation
metabolic process, converted into cellular energy and metabolite lactate.
converts sugar into ethyl alcohol and carbon dioxide.
the system of your stomach
the system of your brain
transports water and nutrients to the stems and leaves of a plant.
a plant eating organism.

20 Clues: macronutrient • the hormones system • the system of excretion • the system of your heart • the system of your brain • a plant eating organism. • consumes food by producers • the system of your stomach • produces food for consumers • cycle of viral reproduction • the system of sexual reproduction • transports carbohydrates in a plant • involves bacteria and needs a host. • ...

Marine Biology 2021-12-10

Across

a type of seafood with pinchers and a shell
an individual animal, plant, or single celled life form
Constitute a domain of single celled organisms
you have to watch out for the high and low___
comes in colors of green, brown, and red
everything marine lives in the ___
NaCl
phylum is Cnidaria and has tentacles
any eukaryotic organism that is not an animal, plant,or fungus
the top taxonomic category
The taxonomic category that tans above class and below kingdom

Down

ex:bacilli,cocci,and spirilla
Taxonomic rank between class and family
a type of algae in the ocean that is delicacy to eat
movement of solvent molecules through a selectively permeable membrane
very important thing to survive
biological classification ranking between family and species
asteroidea
Taxonomic rank between phylum and order
a copepod is a type of ___

20 Clues: NaCl • asteroidea • a copepod is a type of ___ • the top taxonomic category • ex:bacilli,cocci,and spirilla • very important thing to survive • everything marine lives in the ___ • phylum is Cnidaria and has tentacles • Taxonomic rank between class and family • Taxonomic rank between phylum and order • comes in colors of green, brown, and red • ...

Biology Crossword 2021-12-16

Across

Specific characteristics of an individual that are inherited
As organisms move from one area to another, it brings its alleles along
The maintenance of a constant internal environment
When all organisms of a species have died
An organism exits an area
Homeostasis is achieved using
An organism moves into a new area
Hybrid offspring dies
Any heritable characteristic that increases an organism’s ability to survive and reproduce in its environment
Cells with hald the genetic information of the original cells

Down

Hybrid is sterile
Describes how well an organism can survive and reproduce in its environment
When a new population is started by a small number of organisms
The delivery of characteristics from parent to offspring
A group of individuals of the same species occupying a particular geographical area
The difference in DNA between different organisms of the same species
The scientific study of heredity
One or more bases are inserted into a DNA sequence
Cells with the full set of genetic information of the original cells
Organisms within a population have variations in appearance and behavior

20 Clues: Hybrid is sterile • Hybrid offspring dies • An organism exits an area • Homeostasis is achieved using • The scientific study of heredity • An organism moves into a new area • When all organisms of a species have died • The maintenance of a constant internal environment • One or more bases are inserted into a DNA sequence • ...

Biology 2 2022-01-25

Across

Biological kingdom made up of prokaryotes
Yeast and molds
Taxonomist
a principal taxonomic category that ranks above class and below kingdom
a branching diagram showing the cladistic relationship between a number of species
primitive bacteria microorganisms
a trait that arose in the most recent common ancestor of a particular lineage and was passed along to its descendants
Uses sunlight to make nutrients
a genetically determined characteristic
the branch of biology that deals with phylogenesis
Eubacteria, Archae, Protista, Fungi, Plantae, and Animalia
predict the type of DNA sequence
organism that consists of more than one cell

Down

two terms are used to denote a species of living organism
single-celled organism
simple cells with rigid cell walls and often flagella
Cannot produce own food
eukaryotic organism
a system of classification
organisms whose cells have a nucleus enclosed within a nuclear envelope
Eukarya, Bacteria, Archea

21 Clues: Taxonomist • Yeast and molds • eukaryotic organism • single-celled organism • Cannot produce own food • Eukarya, Bacteria, Archea • a system of classification • Uses sunlight to make nutrients • predict the type of DNA sequence • primitive bacteria microorganisms • a genetically determined characteristic • Biological kingdom made up of prokaryotes • ...

biology crossword 2022-01-04

Across

delivery of traits from parent to offspring
state of steady internal systems
an organelle in cells who have photosynthesis
both alleles are expressed
organism containing a nucleus
characteristics of an individual
changes over generations
a early form from which others evolved
the smallest unit that can live on its own
actual genes an organism possesses
traces of ancient life

Down

organism that lacks a nucleus
contains the cells chromosomes
surroundings where someone lives
organism physical traits
part of body functionless
small cavity or space in tissue
serves as the cells skeletal system
the scientific study of genes and heredity
liquid that fills the cells

20 Clues: traces of ancient life • organism physical traits • changes over generations • part of body functionless • both alleles are expressed • liquid that fills the cells • organism that lacks a nucleus • organism containing a nucleus • contains the cells chromosomes • small cavity or space in tissue • surroundings where someone lives • state of steady internal systems • ...

Biology Final 2021-11-16

Across

a molecule that can be bonded to other identical molecules to form a polymer.
the description of an observed phenomenon.
a substance produced by a living organism which acts as a catalyst
any of the class of sugars
Study of life.
a compound consisting of a nucleoside linked to a phosphate group
a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
a weak bond between two molecules
devoid of life

Down

a lipid containing a phosphate group in its molecule
a simple organic compound containing both a carboxyl (—COOH) and an amino
relating to or resulting from living things
a complex organic substance present in living cells
a carefully thought-out explanation.
to actively maintain fairly stable conditions necessary for survival
a carbohydrate
a chemical bond that involves the sharing of electron pairs
a small structural and functional unit of an organism
a supposition or proposed explanation.
a simple sugar which is an important energy source in living organisms
any of a class of organic compounds that are fatty acids

21 Clues: a carbohydrate • Study of life. • devoid of life • any of the class of sugars • a weak bond between two molecules • a carefully thought-out explanation. • a supposition or proposed explanation. • the description of an observed phenomenon. • relating to or resulting from living things • a complex organic substance present in living cells • ...

Biology Crossword 2022-01-27

Across

the loss of water vapour from a plant to its environment, by diffusion down a water potential gradient; most transpiration takes place through the stomata in the leaves
a plant growth regulator (plant hormone) that stimulates cell elongation
the variety of ecosystems and species in an area and the genetic diversity within species
an illness in which the pancreas does not make sufficient insulin, or where cells do not respond appropriately to insulin
a hormone secreted by the adrenal glands in times of stress or excitemen
a change in the environment that is detected by a receptor, and which may cause a response
protection against infectious diseases, gained either actively or passively
a device that uses a biological material such as an enzyme to measure the concentration of a chemical compound
enzymatic release of energy from organic compounds in living cells
a green pigment responsible for light capture in photosynthesis in algae and plants
a haploid cell specialised for fertilisation
the probability of an organism surviving and reproducing in the environment in which it is found

Down

a lipid whose molecules are made up of a glycerol molecule and three fatty acids
damage to the brain caused by bursting or blockage of an artery
a nitrogenous excretory product produced in the liver from the deamination of amino acids
a length of DNA that codes for a particular protein or polypeptide
the net movement of molecules or ions from a region of higher concentration to a region of lower concentration down a gradient, as a result of the random movements of particles
nitrogen-containing purine base found in DNA and RNA
having two identical alleles of a gene
tissue containing sieve tubes and other types of cell, responsible for the translocation of assimilates such as sucrose through a plant

20 Clues: having two identical alleles of a gene • a haploid cell specialised for fertilisation • nitrogen-containing purine base found in DNA and RNA • damage to the brain caused by bursting or blockage of an artery • a length of DNA that codes for a particular protein or polypeptide • enzymatic release of energy from organic compounds in living cells • ...

Biology Crossword 2022-01-27

Across

a plant growth regulator (plant hormone) that stimulates cell elongation
an illness in which the pancreas does not make sufficient insulin, or where cells do not respond appropriately to insulin
a lipid whose molecules are made up of a glycerol molecule and three fatty acids
damage to the brain caused by bursting or blockage of an artery
a device that uses a biological material such as an enzyme to measure the concentration of a chemical compound
the net movement of molecules or ions from a region of higher concentration to a region of lower concentration down a gradient, as a result of the random movements of particles
having two identical alleles of a gene
a length of DNA that codes for a particular protein or polypeptide
the loss of water vapour from a plant to its environment, by diffusion down a water potential gradient; most transpiration takes place through the stomata in the leaves
a hormone secreted by the adrenal glands in times of stress or excitemen

Down

a change in the environment that is detected by a receptor, and which may cause a response
a nitrogenous excretory product produced in the liver from the deamination of amino acids
a haploid cell specialised for fertilisation
nitrogen-containing purine base found in DNA and RNA
tissue containing sieve tubes and other types of cell, responsible for the translocation of assimilates such as sucrose through a plant
the probability of an organism surviving and reproducing in the environment in which it is found
enzymatic release of energy from organic compounds in living cells
protection against infectious diseases, gained either actively or passively
the variety of ecosystems and species in an area and the genetic diversity within species
a tube that carries urine from a kidney to the bladder
a green pigment responsible for light capture in photosynthesis in algae and plants

21 Clues: having two identical alleles of a gene • a haploid cell specialised for fertilisation • nitrogen-containing purine base found in DNA and RNA • a tube that carries urine from a kidney to the bladder • damage to the brain caused by bursting or blockage of an artery • enzymatic release of energy from organic compounds in living cells • ...

Cellular Biology 2020-09-22

Across

starch is an example
cells that do not contain a nucleus
large complex molecule
made up of carbon, hydrogen, oxygen
storage location within the cell
provides a waterproof coating
the name of the site where substates bind
type of solution that causes a cell to swell
provides structural support
cells which contain a nucleus
enzymes often end in with these letters
apparatus packages proteins
jelly-like fluid that holds organelles in place
site of cellular respiration
engulfs liquid type particle
movement from high to low concentrations

Down

the molecule that binds to an enzyme
can alter the effectiveness of an enzyme
type of solution that causes a cell to shrink
site of photosynthesis
enzymes lower this type of energy
type of diffusion that requires a channel
controls the functions of the cell
removal of waste from cell
aka diffusion of water
type of transport that requires energy
hormones are this type of macromolecule
translated into proteins

28 Clues: starch is an example • large complex molecule • site of photosynthesis • aka diffusion of water • translated into proteins • removal of waste from cell • provides structural support • apparatus packages proteins • site of cellular respiration • engulfs liquid type particle • provides a waterproof coating • cells which contain a nucleus • storage location within the cell • ...

Biology QS 2021-11-18

Across

What is something present in the environment in such short supply that it restricts life processes?
Those that stop bacteria from reproducing are said to be…..
What gases make the bubbles in the bread dough?
culture, The two methods of artificial propagation are by taking cuttings and by…
Butterflies have two pairs of wings, compound eyes, and three pairs of jointed legs, these characteristics are common in which class of arthropods?
Fats molecules containing 3 molecules of fatty acids and 1 large molecule of?
What is the name for the term for the chemical reactions in cells that break down nutrient molecules to release energy without using oxygen?
What does detergent mostly contain ?
To test whether starch is present, we use a solution called as?
anemia, What disease inherited both recessive alleles for defective hemoglobin?
Enzyme reactions that split large molecules into smaller ones are called ___________ reaction?
At certain points in the lymphatic vessels there are swellings called..
The process by which the fluid is filtered out of the blood by the glomerulus is called?
High doses of alcohol can cause the liver cells to form too many fat droplets, leading to a diseases called?
Where is glycogen stored at?
Active transport uses energy so that the particles can move through the cell membrane. Where does this energy come from?
What structure is made up of a group of tissues, and working together to perform a specific function?
A thin layer of cytoplasm around the outside of the cell is called as?
What does biogas largely consist of?
true, When all offspring have the same characteristics as the parents, this is called what kind of breeding?
A thread of DNA,made up of a string of genes, is called?

Down

What does anaerobic respiration produce in the body?
The water travels up the xylem vessels in vascular bundles and this flow of water is called the...
The process of absorbing back the substance needed by the body is called?
Chrosome mutation is caused by ......'s syndrome.
Movement of the ribcage and diaphragm results in volume and pressure changes in the thorax, leading to ……………… of the lungs
What will happen to our body if it lacks fibre?
When a disease spreads globally, it is called?
A permanent increase in size is one of living organisms’ characteristics known as?
The muscle fibres of the arterioles contract, they make the vessels narrower and restrict blood flow, what is this process called…
what is made of wax, is waterproofing the leaf and is secreted by cells of the upper epidermis?
In trees, in long vertical columns of water in very thin tubes, the attractive forces between the water molecules will result in molecules sticking together which is also known as….
The fusion of gamete nuclei is called?
Increase in temperature causing the diffusion rate to?
An organism that gets its energy from dead or waste organic material is called?
Tears contain an enzyme called...
What gases bind permanently with hemoglobin in red blood cells that reduce the smoker’s ability to provide oxygen to respiring cells?
A biological catalyst that is used to increase the rate of chemical reaction is a protein which is called as?
Drugs which help to prevent you from getting a disease are called...

39 Clues: Where is glycogen stored at? • Tears contain an enzyme called... • What does detergent mostly contain ? • What does biogas largely consist of? • The fusion of gamete nuclei is called? • When a disease spreads globally, it is called? • What gases make the bubbles in the bread dough? • What will happen to our body if it lacks fibre? • ...

Biology Crossword 2021-12-07

Across

a geographic area where plants, animals, and other organisms, as well as weather and landscapes, work together to form a bubble of life (9 letters)
conversion of nitrogen containing substances into ammonia (14 letters)
a form of precipitation that has high levels of nitrate and Sulphur (4 letters and 4 letters (2 words))
place where the ozone layer is located (11 letters)
the full form of UV (11 letters)
conversion of nitrogen to oxides of nitrogen (13 letters)
the sphere which contains all the living organisms (8 letters)
the flow of energy is _________ (14 letters)
elemental form of carbon (7 letters)
the rocky outer part of the earth (10 letters)
the breeze that consists of movement of wind from sea to land (3 letters and 6 letters (2 words))
the combined mass of water on the earth (10 letters)
the flow of matter is ________ (6 letters)
the breeze that consists of movement of wind from land to sea (4 letters and 6 letters (2 words))
the process of turning water vapour into liquid water
____ cancer is a consequence of exposure to UV rays (4 letters)

Down

the only process that can make oxygen (14 letters)
a microbe that helps in nitrogen fixation and is found in roots of leguminous plants (9 letters)
the short form of ozone depleting substances (3 letters)
the process of turning liquid water into water vapour (11 letters)
Gas that makes up the Ozone Layer (5 letters)
gas that reduces the oxygen carrying capacity of RBC's (6 letters and 7 letters (2 words))
the phenomenon that occurs when greenhouse gases in the atmosphere trap solar radiation (10 letters and 6 letters (2 words))
_________ cycle is the movement of elements through organisms and the environment (14 letters)
Ozone depleting substance that is emitted by refrigerators, ACs, etc. (18 letters)
process by which nitrates are turned into elemental nitrogen (15 letters)
it is a gas used for combustion respiration and forming oxides of nitrogen. it is returned to the atmosphere through photosynthesis (6 letters)

27 Clues: the full form of UV (11 letters) • elemental form of carbon (7 letters) • the flow of matter is ________ (6 letters) • the flow of energy is _________ (14 letters) • Gas that makes up the Ozone Layer (5 letters) • the rocky outer part of the earth (10 letters) • the only process that can make oxygen (14 letters) • place where the ozone layer is located (11 letters) • ...

Biology CrossWord 2021-12-03

Across

A non-living factor in an ecosystem
one species hunting and consuming another
organism eaten by predator
A living factor in an ecosystem
first species that moves into a habitat
organisms leaving an ecosystem
amount of organism/total land
one species benefits,other not harmed
series of changes in an ecosystem
A group of populations
something that limits growth rate

Down

similar organisms that share a scientific name
organisms moving into an ecosystem
one species benefits, one harmed
organism that eats prey
A habitat filled with biotic+abiotic factors
A group of the same species
study of relationships between organisms
both species benefit
multiple species fighting over resources
system of relationships between species

21 Clues: both species benefit • A group of populations • organism that eats prey • organism eaten by predator • A group of the same species • amount of organism/total land • organisms leaving an ecosystem • A living factor in an ecosystem • one species benefits, one harmed • series of changes in an ecosystem • something that limits growth rate • organisms moving into an ecosystem • ...

Biology Crossword 2013-09-10

Across

/ More than one mistake
/ Information that has been collected
/ Depends only on the extent of random errors
/ A offer intended to explain certain facts
/ Values that are labels
/ Value that is selected by the investigator
/ If a value shows up more than once
/ Physical, chemical or biological quantities
/ Values that can grow in volume by counting
/ The ideal measurement to be obtained (2 W)

Down

/ This value is measured for every change
/ The maximum or minimum values of variables
/ A measurement that is close to the truth
/ A statement suggesting what will happen
/ Marking a scale on a measuring instrument
/ The quantity between readings
/ Data which has been shown to be valid
/ This is the smallest change in quantity
/ An investigative procedure to answer a question
/ This has to be kept the same in an experiment

20 Clues: / More than one mistake • / Values that are labels • / The quantity between readings • / If a value shows up more than once • / Information that has been collected • / Data which has been shown to be valid • / This value is measured for every change • / A statement suggesting what will happen • / This is the smallest change in quantity • ...

Biology Crossword 2013-09-11

Across

Proteins are polymers of ___.
Also known as fiber.
A _____ is made up of one sugar group.
An ____ is a part of an amino acid and can be a number of things.
A _____ can be made up of thousands of sugar groups.
This is the process of water removal.
A ___ is many monomers linked together.
_____ are a diverse group of compounds.
____ material is derived from living things.
____ usually come from animals.
A ____ consists of two or more amino acids linked in a chain.
Something that can not dissolve in water is ___.
Milk sugar is also known as ____.
The most common monosaccharide is ___.
This, along with three other components, is used to create a triglyceride.
____ is a polysaccharide that is an important part of energy storage in plants.
What is a sub unit of a larger molecule?

Down

An ____ speeds up chemical reactions in the body.
A ____ has two sugar groups.
_____ is also known as table sugar.
Rings of fatty acids are also known as ____.
_____ usually come from plants.
An enzyme is used as a ____ to start a chemical reaction.
If the shape of a molecule changes it may become _____ and imay not work.
_____ are extremely important in the cell membrane and are a family of lipids.
The most abundant and important steroid in the body.
This is the act of water insertion.
This is also known as fruit sugar.
Three of these, along with glycerol, are used to create a triglyceride.
This is part of an amino acid and has the chemical formula COO-.

30 Clues: Also known as fiber. • A ____ has two sugar groups. • Proteins are polymers of ___. • _____ usually come from plants. • ____ usually come from animals. • Milk sugar is also known as ____. • This is also known as fruit sugar. • _____ is also known as table sugar. • This is the act of water insertion. • This is the process of water removal. • ...

Biology keywords 2013-10-03

Across

site of protein synthesis
controls substances which go in and out of cell
site of respiration
is an alcohol
modifies, tags and stores protein
controls what goes in and out of the nucleus
water loving
are fats and oils
essential in cell division
site of translation in cell

Down

made from fatty acid and alcohol
controls cell and contains the DNA
the movement of molecules across a cell membrane against the concentration gradient.
repels water
jelly like substance, makes up most of the nucleus
traps light energy for photosynthesis
the bond between the fatty acid chain and the glycerol is called this
breaks up digest and remove things in the cell
similar to triglycerides
stores cell sap

20 Clues: repels water • water loving • is an alcohol • stores cell sap • are fats and oils • site of respiration • similar to triglycerides • site of protein synthesis • essential in cell division • site of translation in cell • made from fatty acid and alcohol • modifies, tags and stores protein • controls cell and contains the DNA • traps light energy for photosynthesis • ...

Biology crossword 2014-04-14

Across

this plant has prop root
root system of eudicots and gymnosperm
reproductive organ at the carpel
tissue that located under the epidermal tissue
other name of Daucus Carota
leaf tissue that contains palisade and spongy parenchyma
water and mineral absorption from
where the cells having elongated and enlarge growth
the outer layers of leaf
smaller roots
pores which arranged like stripes ______ strip
water and mineral can penetrate this tissue trough pores
result of leaf modification
kind of flower that only has stamen or carpel
the deepest part of root

Down

roots in mangrove, pandan
one of the stem structure
leaf tissue
singular
a plant with taproot system
flowermthat have both stamens and carpel
monocots are the plants with this roon system
process of food making in plants
photosynthesis place but take more chloroplast
flower ornamental,usually green and protects the flower bud durng the development
root cap
made of xylem and phloem
female reproductive organ of the flower
flower ornamental that has a very attractive colors
the structure is similar with the structure of root

30 Clues: singular • root cap • leaf tissue • smaller roots • this plant has prop root • the outer layers of leaf • made of xylem and phloem • the deepest part of root • roots in mangrove, pandan • one of the stem structure • a plant with taproot system • other name of Daucus Carota • result of leaf modification • reproductive organ at the carpel • process of food making in plants • ...

Biology Crossword 2014-06-08

Across

When a slight attraction develops between oppositely charged regions of nearby molecules
number of individuals in an area.
When an ecosystem only has 1 nutrient that is scarce or slow cycling
One or more electrons are transferred from one atom to another
or orientation releases waste materials
factors that shape an ecosystem, things that make the ecosystem a place where organisms are able to live
provides support for the body and connects its ports
organisms receping internal conditions despite changes in external environment
Feeds on plant and animal remains and other dead matter for energy
All organisms in an area plus the nonliving environment
mixtures of water and non dissolved material. ex. blood
Uneven disturbance of charge, water is negative on oxygen end and positive on the hydrogen end
transmits nerve impulses throughout the body
obtaining and using food

Down

Forms when electrons are shared between atoms
Attraction between molecules of different substances causes capillary action
No two species can occupy the same niche in the same habitat at the same time
A disturbance in oxygen
Includes glands and tissues that cover interior and exterior surfaces.
along with bones, enables the body to move
biological influences, includes the organism itself and things it might interact with
Total living tissue with a trophic level
Any relationship in which two species live closely together
atoms of the same element, differ in the number of neutrons
An attraction between molecules of the same substance. Causes water molecules on a surface to form drops

25 Clues: A disturbance in oxygen • obtaining and using food • number of individuals in an area. • or orientation releases waste materials • Total living tissue with a trophic level • along with bones, enables the body to move • transmits nerve impulses throughout the body • Forms when electrons are shared between atoms • provides support for the body and connects its ports • ...

Biology-Classification 2014-01-16

Across

An animal without a skeleton on the inside (12)
A detrivore which hangs around waiting for animals to drop dead. Sometimes called buzzards or condors. (7)
The living matter where chemical reactions take place. (9)
Kingdom of animals (8)
The scientific name for humans. (11)
Plural form of Phylum (5)
Term for living organism eg.(marine life, birds, humans) (6)
An organism that breaks down dead organisms.(10)
The hunted that are devoured by their predator. (4)
Latin for bird(4)
Largest taxonomic rank (6)
The control room of the cell. (7)
An organism that devours dead animals. (9)
Warm blooded, usually hairy animal(6)
Pikachu is classified in the Pokédex as an electric ______. (5)

Down

The process by which green plants, algae, and some bacteria use energy from sun light to create new organic molecules (carbohydrates) and oxygen out of carbon dioxide, water, and elemental nutrients. (14)
Type of reproduction where one individual produces offspring that are genetically identical to itself._____________ Reproduction. (7)
Shrek's annoying companion. (6)
Thread-like, gene-carrying bodies in the cell nucleus.(11)
Genetic change in an organism over time (9)
Animal that hunts and devours other animals (8)
The only animal companion in Wizard of Oz beside Toto. (4)
Term for non-living eg.(rock,wind,energy) (7)
Which Taxonomic rank is missing? Domain, Kingdom,__________, Class, Order, Family, Genus, Species. (6)
Son of the King of the Jungle(5)
Creatures of the Mammalia class and give birth to young that live in their pouch. (9)
Second largest taxonomic group consisting of closely related phyla. (7)
Early stage of unborn child (6)
Taxonomic rank in Biology that fits after Phylum and before Genus. (5)

29 Clues: Latin for bird(4) • Kingdom of animals (8) • Plural form of Phylum (5) • Largest taxonomic rank (6) • Shrek's annoying companion. (6) • Early stage of unborn child (6) • Son of the King of the Jungle(5) • The control room of the cell. (7) • The scientific name for humans. (11) • Warm blooded, usually hairy animal(6) • An organism that devours dead animals. (9) • ...

BIOLOGY CROSSWORD 2014-02-04

Across

Saliva contains an enzyme called
Breaks proteins into smaller polypeptide fragments
Supply raw materials for growth and repair of structures such as skin and muscle
System Breaks down food; absorbs nutrients; eliminates wastes
digestion The physical breakdown of large pieces of food into smaller pieces
Inorganic nutrients that the body needs, usually in small amounts, are called
From the throat, the bolus passes through a tube called
digestion Enzymes break down food into the small molecules the body can use
diet Provides nutrients in adequate amounts and enough energy for a person to maintain a healthful weight
Group of different types of tissues that work together to perform a single function or several related functions is called
system Produces gametes; in females, nurtures and protects developing embryo
Breaks down fat
Equal to 1000 calories
The fingerlike projections called
As food passes through the digestive system
Organic molecules that the body needs in very small amounts are called
Continues the breaks down of protein
Its a gland that serves three important functions
Once food has been broken into small molecules, it can be absorbed by cells in the small intestine.
system Helps protect the body from disease
system Eliminates waste products from the body
Inhibition Is the process in which a stimulus produces a response that opposes the original stimulus
Breaks down dipeptides into amino acids
Group of cells that perform a single function is called
Is a large muscular sac that continues the chemical and mechanical digestion of food
Is the amount of the heat needed to raise the temperature of 1 gram of water by 1 degree Celsius
Molecules in food contain chemical energy that cells use to produce

Down

Is the basic unit of structure and function living things
Help the body to absorb fat-soluble vitamins and are a part of cell membranes, nerve cells, and certain hormones
The most important nutrient
Tissue The tissue that lines the interior and exterior body surfaces is called
Supplies raw materials your body needs to build and repair tissues
Tissue Nerve impulses are transmitted throughout the body by
Describes the relatively constant internal physical and chemical conditions that organisms maintain despite changes in internal and external environments
You take a forkful food into your
Is a small saclike organ called
Covered with tiny projections known as microvilli
intestine When chyme leaves the small intestine, it enters in the
Major source of energy for the body.
Provide the force that moves through the esophagus toward the stomach
Breaks up the globs of fat into smaller droplets that disperse in the watery environment
The digestive system cannot digest and absorb all the substances in food that enter the body
As the teeth cut and grind the food, the salivary glands secrete
Are absorbed through the walls of the small intestine
Naturally, the first step in digestion is getting food into the system
Are anchored in the bones of the jaw
sphincter Closes after food passes into the stomach
intestine It is where almost all of the digestive enzymes enter the intestine
Mixture with an oatmetal-like consistency called
Is technically part of the digestive system because it produces bile

50 Clues: Breaks down fat • Equal to 1000 calories • The most important nutrient • Is a small saclike organ called • Saliva contains an enzyme called • You take a forkful food into your • The fingerlike projections called • Major source of energy for the body. • Continues the breaks down of protein • Are anchored in the bones of the jaw • Breaks down dipeptides into amino acids • ...

BIOLOGY CROSSWORD 2014-02-04

Across

intestine When chyme leaves the small intestine, it enters in the
digestion Enzymes break down food into the small molecules the body can use
Are absorbed through the walls of the small intestine
Breaks down fat
system Eliminates waste products from the body
Breaks up the globs of fat into smaller droplets that disperse in the watery environment
Equal to 1000 calories
From the throat, the bolus passes through a tube called
Describes the relatively constant internal physical and chemical conditions that organisms maintain despite changes in internal and external environments
Breaks down dipeptides into amino acids
Continues the breaks down of protein
Inhibition Is the process in which a stimulus produces a response that opposes the original stimulus
Breaks proteins into smaller polypeptide fragments
intestine It is where almost all of the digestive enzymes enter the intestine
The digestive system cannot digest and absorb all the substances in food that enter the body
Supply raw materials for growth and repair of structures such as skin and muscle
system Produces gametes; in females, nurtures and protects developing embryo
sphincter Closes after food passes into the stomach
Covered with tiny projections known as microvilli
As the teeth cut and grind the food, the salivary glands secrete
Molecules in food contain chemical energy that cells use to produce
Is a large muscular sac that continues the chemical and mechanical digestion of food
Is a small saclike organ called
Organic molecules that the body needs in very small amounts are called
Saliva contains an enzyme called
Group of different types of tissues that work together to perform a single function or several related functions is called

Down

Is the basic unit of structure and function living things
Tissue The tissue that lines the interior and exterior body surfaces is called
system Helps protect the body from disease
Is technically part of the digestive system because it produces bile
The fingerlike projections called
digestion The physical breakdown of large pieces of food into smaller pieces
Major source of energy for the body.
Once food has been broken into small molecules, it can be absorbed by cells in the small intestine.
System Breaks down food; absorbs nutrients; eliminates wastes
Naturally, the first step in digestion is getting food into the system
The most important nutrient
Are anchored in the bones of the jaw
Provide the force that moves through the esophagus toward the stomach
Its a gland that serves three important functions
diet Provides nutrients in adequate amounts and enough energy for a person to maintain a healthful weight
Is the amount of the heat needed to raise the temperature of 1 gram of water by 1 degree Celsius
As food passes through the digestive system
Inorganic nutrients that the body needs, usually in small amounts, are called
Group of cells that perform a single function is called
You take a forkful food into your
Tissue Nerve impulses are transmitted throughout the body by
Mixture with an oatmetal-like consistency called
Help the body to absorb fat-soluble vitamins and are a part of cell membranes, nerve cells, and certain hormones
Supplies raw materials your body needs to build and repair tissues

50 Clues: Breaks down fat • Equal to 1000 calories • The most important nutrient • Is a small saclike organ called • Saliva contains an enzyme called • The fingerlike projections called • You take a forkful food into your • Major source of energy for the body. • Are anchored in the bones of the jaw • Continues the breaks down of protein • Breaks down dipeptides into amino acids • ...

Biology Puzzle 2014-01-29

Across

Labels Can be used to choose healthful foods.
System Converts food into small molecules that can be used by cells of the body.
Connects the mouth with the stomach.
Water-Soluble: The two types of vitamins.
Organic molecules that the body need in very small amounts.
Digestion Enzymes break down food into the small molecules the body can use.
The process when food has been broken into small molecules.
example of Water-Soluble vitamin.
Activity Helps you maintain a healthful weight by burning calories.
Begins to break the chemical bonds in starches, formins sugars.
Recomends a diet with a maximum of thirty percent of calories from fat.
Is a large muscle sac that continues the chemical and mechanical digestion of food.

Down

Where the Digestive System begins
Digestion Is the physical breakdown of large pieces of food into smaller pieces.
Breaks proteins into smaller polypeptide fragments.
Helps to moisten the food and make ir easier to chew.
When materials are eliminated from the body as feces.
Example of Fat-Slouble vitamin.
is needed to make Hemoglobin.
Inorganic nutrients that the body needs, usually in small amounts.
is required to produce the calcium phosphate for the bones.
Diet Provides nutrients in adequate amounts and enough energy for a person to maintain a healthful weight.
a mixture with an oatmeal-like consitancy.
Intestine Where almost all of the digetive enzymes enter the intestine.
are anchored in the bones of the jaw.

25 Clues: is needed to make Hemoglobin. • Example of Fat-Slouble vitamin. • Where the Digestive System begins • example of Water-Soluble vitamin. • Connects the mouth with the stomach. • are anchored in the bones of the jaw. • Water-Soluble: The two types of vitamins. • a mixture with an oatmeal-like consitancy. • Labels Can be used to choose healthful foods. • ...

Biology Review 2014-06-06

Across

Process in which extensions or cytoplasm surround and engulf large particles and take them into the cell.
Loss of water from a plant through its leaves.
Bond formed by the sharing of electrons between atoms.
The granular material you can see in the nucleus.
One of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope.
A protein that spans the membrane and allows H+ ions to pass through it. (two words)
The system that provides oxygen needed for cellular respiration and removes excess carbon dioxide from the body.
Process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen gas and high-energy carbohydrates such as sugars and starches.
Process by which a cell releases large amounts of material.
Carry high-energy electrons produced by light absorption in chlorophyll to chemical reactions elsewhere in the cell.
Group of similar cells that perform a particular function.
Relationship in which two species live closely together.
Conversion of nitrates into nitrogen gas.
The reactants of enzyme-catalyzed reactions.

Down

Single sugar molecules.
The process in which cells develop in different ways to perform different tasks. (two words)
Large macromolecule formed from monosaccharides.
Specialized structure that performs important cellular functions within a eukaryotic cell.
Process by which organisms maintain a relatively stable internal environment.
The composition of nearly all cell membranes. (two words)
One of the principal chemical compounds that living things use to store and release energy.
Electron carrier involved in glycolysis.
Process by which some organisms use chemical energy to produce carbohydrates.
Group of organs that work together to perform a specific function. (two words)
Weak acid or base that can react with strong acids or bases to help prevent sharp, sudden changes in pH.

25 Clues: Single sugar molecules. • Electron carrier involved in glycolysis. • Conversion of nitrates into nitrogen gas. • The reactants of enzyme-catalyzed reactions. • Loss of water from a plant through its leaves. • Large macromolecule formed from monosaccharides. • The granular material you can see in the nucleus. • Bond formed by the sharing of electrons between atoms. • ...

Biology Review 2014-06-06

Across

Group of organs that work together to perform a specific function. (two words)
A protein that spans the membrane and allows H+ ions to pass through it. (two words)
Carry high-energy electrons produced by light absorption in chlorophyll to chemical reactions elsewhere in the cell.
Process by which some organisms use chemical energy to produce carbohydrates.
The composition of nearly all cell membranes. (two words)
Process in which extensions or cytoplasm surround and engulf large particles and take them into the cell.
Process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen gas and high-energy carbohydrates such as sugars and starches.
One of the principal chemical compounds that living things use to store and release energy.
Loss of water from a plant through its leaves.
Conversion of nitrates into nitrogen gas.

Down

Single sugar molecules.
Specialized structure that performs important cellular functions within a eukaryotic cell.
Weak acid or base that can react with strong acids or bases to help prevent sharp, sudden changes in pH.
Electron carrier involved in glycolysis.
Process by which organisms maintain a relatively stable internal environment.
The process in which cells develop in different ways to perform different tasks. (two words)
The granular material you can see in the nucleus.
Relationship in which two species live closely together.
Large macromolecule formed from monosaccharides.
One of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope.
Bond formed by the sharing of electrons between atoms.
The reactants of enzyme-catalyzed reactions.
Process by which a cell releases large amounts of material.
The system that provides oxygen needed for cellular respiration and removes excess carbon dioxide from the body.
Group of similar cells that perform a particular function.

Biology Crossword 2012-11-30

Across

Platelets help this to clot
Each protein molecule is built up from these acids
This is what changes to genes are called
Changing the shape of an active enzyme until eventually the reaction stops
The process plants carry out
An example of this type of protein would be collagen
An example of the hormone protein
The information contained in genes
Enzymes react slow when this is low
The tiny structures found in cells
The capillary allow the exchange of these between blood and tissues
Needed for growth and repair of bones

Down

The structure of DNA
The normal human will have 23 pairs of these
The 'm' in 'mRNA'
Where ribosomes are found
An example of a catalyse chemical reaction in a living cell
The blood is pumped at high pressure away from the heart into these
What red blood cells transport
The ______ and key mechanism of an enzyme
The red protein that is found in red blood cells
James _____ and Francis Crick worked out the structure of DNA

22 Clues: The 'm' in 'mRNA' • The structure of DNA • Where ribosomes are found • Platelets help this to clot • The process plants carry out • What red blood cells transport • An example of the hormone protein • The information contained in genes • The tiny structures found in cells • Enzymes react slow when this is low • Needed for growth and repair of bones • ...

Human Biology 2012-03-27

Across

A foreign macromolecule that does not belong to the host organism and that elicits an immune response
extends leg at knee
A male gamete
Carpi Radialis Longus Extends leg at knee
Disintegration of a cell by rupture of its plasma membrane
Voice box
The inner, as opposed to the outer, part of an organ, as in the adrenal gland.
malignant, invasive disease
Any minute, threadlike structure within a cell.
Flexes wrist
A sugary fluid that attracts insects to plants.
membrane The outer membrane of the cell; the plasma membrane.
Medialis extends fingers
The study of animals
The process of breaking down food into molecules small enough for the body to absorb.
acquired immunodeficiency syndrome
A virus that parasitizes a bacterial cell
are prokaryotic microorganisms responsible for many human diseases.
extends forarm at elbow
The transparent anterior portion of the eyeball
Biologists who specialize in the study of fish behavior, anatomy, physiology, and evolution.
The branch of biology concerned with naming and classifying the diverse forms of life.
The colorless fluid, derived from interstitial fluid, in the lymphatic system of vertebrate animals.
Dorsi Flexes forarm at elbow and rotates hand laterally
The formation of a gastrula from a blastula
A member of the nonreproductive laboring caste of social insects
The tendency of different kinds of molecules to stick together
Teres Rotates arm laterally
Major Adducts arm, extends and flexes humerus
Extends and adducts arm and rotates humerus inwardly or pulls shoulder downward and posterially
Semifluid mass consisting of partially digested food
A heterotrophic mode of nutrition in which other organisms or detritus are eaten whole or in piece
Latae Flexes thigh
A biological compound consisting of three fatty acids linked to one glycerol molecule.
Medius adducts, flexes and rotates thigh laterally
extends humerus or adducts and rotates arm medially
female whose function is to lay eggs
The diploid product of the union of haploid gametes in conception; a fertilized egg.
The tubular excretory unit of the vertebrate kidney

Down

Pertaining to the stomach.
The inner layer of the skin, beneath the epidermis
A harmless variant or derivative of a pathogen that stimulates a host's immune system to mount defenses against the pathogen
An enzyme in perspiration, tears, and saliva that attacks bacterial cell walls
One of two tubes that transport urine from the kidneys to the urinary bladder.
Major Adducts thigh flexes and rotates lower limb medially
Abducts, flexes, and rotates thigh medially
Longus extends wrist and abducts hand
The stored food in egg cells that nourishes the embryo.
Carpi Radialis flexes and abducts wrist
A diploid organism that carries identical alleles at one or more genetic loci.
A type of flexible connective tissue with an abundance of collagenous fibers embedded in chondrin
Major extends leg at knee
Femoris rotates arm laterally
The protein shell that encloses the viral genome; rod-shaped, polyhedral, or more completely shaped.
A protein that suppresses the transcription of a gene.
The study of how organisms interact with their environments.
An organism that absorbs nutrients from the body fluids of living hosts
The movement of water and dissolved substances into a cell, tissue, or organism
flexes and abducts wrist
In genetics, the proportion of individuals with a particular genotype that show the phenotype ascribed to that genotype
A sugar
A noncoding, intervening sequence within a eukaryotic gene.
Flexes leg, extends thigh
The study of the functioning body organs.
Anterior Flexes thigh
Abducts and rotates thigh medially
The science of biological structures.
Rodlike structure of tightly coiled chromatin
General term for cancers of the lymphoid tissues
Longus rotates forearm medially
Femoris Dorsiflexion and inversion of foot
A very small arter
solution Solutions of equal solute concentration
Pulls arm anteriorly and across chest rotates humerus or abducts arm
A ropelike bundle of neuron fibers (axons and dendrites) tightly wrapped in connective tissue.
Flexes forarm at elbow
An organism that acts as a decomposer by absorbing nutrients from dead organic matter.
An automatic reaction to a stimulus, mediated by the spinal cord or lower brain
Brachii Flexes leg, extends thigh
Dorsiflexion and eversion of foot and extension of toes
The steady-state physiological condition of the body
Any method of increasing contact between the respiratory medium and the respiratory surface
Dead organic matter
The major artery in blood-circulating systems; the aorta sends blood to the other body tissues.
A substance that is dissolved in a solution.
vascular system in plants that carries water and minerals from the roots to the rest of the plant.

86 Clues: A sugar • Voice box • Flexes wrist • A male gamete • A very small arter • Latae Flexes thigh • extends leg at knee • Dead organic matter • The study of animals • Anterior Flexes thigh • Flexes forarm at elbow • extends forarm at elbow • Medialis extends fingers • flexes and abducts wrist • Major extends leg at knee • Flexes leg, extends thigh • Pertaining to the stomach. • ...

Biology EOC 2013-04-19

Across

change over time
during DNA into RNA
cell division that produces 4 haploid daughter cells
gluocse+oxygen --> ATP+carbon dioxide+water
movement of water from high concentration to low
bacteria is an example of this cell type; has no nucleus
not requiring air/oxygen
site of photosynthesis
ability to survive and reproduce
phase during mitosis when all the chromosomes line up in the middle

Down

DNA and RNA are example of this
both organisms benefit from an interaction
used for long term energy, these biomolecules do not mix with water
mushrooms and molds are in this kingdom
survival of the fittest
non-living pathogen that can cause disease
makes ATP, site of cellular respiration
responsible for making proteins within a cell
another word for autotrophic, produces own food
moving things against the concentration gradient, requires ATP
another word for heterotrophic
two alleles are different (ex. Bb)
physical characteristics of an organism

23 Clues: change over time • during DNA into RNA • site of photosynthesis • survival of the fittest • not requiring air/oxygen • another word for heterotrophic • DNA and RNA are example of this • ability to survive and reproduce • two alleles are different (ex. Bb) • mushrooms and molds are in this kingdom • makes ATP, site of cellular respiration • physical characteristics of an organism • ...

marine biology 2013-04-29

Across

A fishing net that is hung vertically so that fish get trapped in it by their gills.
A synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon, etc., that can be molded into shape
A fishing net or seine that can be drawn into the shape of a bag, used for catching shoal fish.
The draining away of water (or substances carried in it) from the surface of an area of land, a building or structure
Clean out the bed of (a harbor, river, or other area of water) by scooping out mud, weeds, and rubbish with a dredge
Act (MMPA) of 1972 was the first article of legislation to call specifically for an ecosystem approach
any natural resource (as wood or solar energy) that can be replenished naturally with the passage of time
A large baglike net dragged by a boat along the bottom of a fishing bank
the increase in concentration of a substance
unwanted marine creatures that are caught in the nets while fishing for another species
the removal of salt (especially from sea water)
Originating or occurring naturally in a particular place
liquid mixture of hydrocarbons that is present in suitable rock strata and can be extracted and refined
Deplete the stock of fish in (a body of water) by too much fishing
The cultivation of fish or other marine life for food.
The variety of life in the world or in a particular habitat or ecosystem.
A large group of simple nonflowering plants containing chlorophyll but lacking true stems, roots, leaves, and vascular tissue
There are various dolphin safe labels used for canned tuna to imply that the fish has been caught without harming or killing dolphins

Down

the accumulation of substances, such as pesticides
also called methane hydrate, hydromethane, methane ice or "fire ice" is a solid clathrate compound
A natural fuel such as coal or gas, formed in the geological past from the remains of living organisms
The maximum level at which a natural resource can be routinely exploited without long-term depletion
Excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land
Minerals, fossil fuels, and other materials present in essentially fixed amounts (within human time scales) in our environment
Tending to spread prolifically and undesirably or harmfully.

25 Clues: the increase in concentration of a substance • the removal of salt (especially from sea water) • the accumulation of substances, such as pesticides • The cultivation of fish or other marine life for food. • Originating or occurring naturally in a particular place • Tending to spread prolifically and undesirably or harmfully. • ...

Biology crossword 2013-02-13

Across

structure within a cell
too much water outside
makes myosin with amino acids
too much water on the inside
molecules cant spread apart o get to the cell membrane so it goes through protein channel
state of being equal
diffusion of water
like a recycling bin in a school
molecule is too big so cell membrane has to open up to take it in
movement of larger particles to get into the cell membrane

Down

stores nutrients
packages and ships things
molecule leaving cell membrane
produces ennergy for the cell
going from a higher concentration to a lower concentration
allows things in and out
like a hallway in a school
everything is equalized
contains DNA
basic unit of life

20 Clues: contains DNA • stores nutrients • basic unit of life • diffusion of water • state of being equal • too much water outside • structure within a cell • everything is equalized • allows things in and out • packages and ships things • like a hallway in a school • too much water on the inside • produces ennergy for the cell • makes myosin with amino acids • molecule leaving cell membrane • ...

Biology vocabulary 2015-04-13

Across

an organisms role
the organism that eats prey
an organism that eats plants
the organism that is harmed in parasitism
where one organism benefits and the other is harmed
a symbiotic relationship in which one species benefits while the other species is not affected
the organism that is eaten by the prey
a linear path of producers to consumers
the living aspects of the environment
the total mass of an organism at the tropic level

Down

makes energy from the sun
an organism that eats another consumer
consume soft tissue of deed animals
the dead leaves, animal feces, and other organic debris that collects on the soil or at the bottom of a body of water
the organism that benefits from parasitism
the area where a single organism lives
the nonliving aspects of the environment
the study of how living things interact with each other and with their environment
a symbiotic relationship in which both benefit
a relationship in which members of one species (the predator) consume members of another species (the prey).
an organism that eats both producers and consumers

21 Clues: an organisms role • makes energy from the sun • the organism that eats prey • an organism that eats plants • consume soft tissue of deed animals • the living aspects of the environment • an organism that eats another consumer • the area where a single organism lives • the organism that is eaten by the prey • a linear path of producers to consumers • ...

BIOLOGY CROSSWORD 2015-02-01

Across

A group of different types of tissue that works together to perform a single function or several related functions
A physical digestion breakdown of large pieces of food into smaller pieces
It breaks protein into smaller polypeptide fragments
When a stimulus produces a response that opposes the original stimulus
Inorganic nutrients that the body needs
A type of digestion where enzymes break down food into the small molecules
A gland that serves three functions
It works along the pancreas and liver
Fingerlike projections
It provides the force that moves food down the esophagus
The most important nutrient
The bolus passes through this tube from the throat
Organic molecule that the body needs

Down

It is equal to 1000 calories or 1 kcal
A type of tissue where movements of the body are possible
The major source of energy for the body
A type of tissue that linens the interior and exterior body surfaces
The internal temperature of a living being
An enzymes that fights infection
A group of cells that perform a single function
Primary function to remove water from the undigested material
It produces bile
A type of tissue where the nerve impulses are transmitted throughout the body
The basic unit of structure and function in living things
A large muscular sac
A type of tissue that connects the body
A mixture with an oatmeal-like consistency
It supplies raw material for growth and repairs of structures
It breaks the chemical bonds in starches
It helps the body absorb fat-soluble vitamins

30 Clues: It produces bile • A large muscular sac • Fingerlike projections • The most important nutrient • An enzymes that fights infection • A gland that serves three functions • Organic molecule that the body needs • It works along the pancreas and liver • It is equal to 1000 calories or 1 kcal • The major source of energy for the body • Inorganic nutrients that the body needs • ...

BIOLOGY croosword 2015-02-05

Across

muscular sac that continues the chemical and mechanical digestion of food
tissue/nerve impulses are transmitted through the body
tissue/tissue that lines the interior and exterior body surfaces
of cells that perform a single function
nutrients that the body needs,usually in small amounts
inhibition/process in which a stimulus produces a response that opposes the original stimulus
the force that moves food though the esophagus toward the stomach
proteins into smaller polypeptide fragments
diet/provides nutrients in adequate amounts and enough energy for a person to maintain a healthful weight
blood sugar levels
projections
system/converts food into small molecules that can be used by the cells of the body
intestine/or colon
raw materials fro growth and repair of structures such as skin and muscle
with an oatmeal-like consistency
molecules that the body needs in very small amounts
of nutrient that is the major source of energy for the body

Down

tissue/tissue that provides support for the body and connects it
bolus passes through a tube called....
to 1000 calories or 1 kilocalorie
intestine/it's where almost all of the digestive enzymes enter the intestine
enzyme that begins to break the chemical bonds in starches ,forming sugars
tissue/movements os the body are possible because of ......
unit of structure and function in living things
the relatively constant internal physical and chemical conditions that organisms maintain despite changes in internal and external environments
step in digestion is getting food into the system
made up of fatty acids and glycerol
important nutrient in the body
digestion/the physical break down of large pieces of food into smaller pieces
digestion/enzymes break down food into the small molecules the body can use

30 Clues: projections • blood sugar levels • intestine/or colon • important nutrient in the body • with an oatmeal-like consistency • to 1000 calories or 1 kilocalorie • made up of fatty acids and glycerol • bolus passes through a tube called.... • of cells that perform a single function • proteins into smaller polypeptide fragments • unit of structure and function in living things • ...

Biology Definitions 2015-06-11

Across

Specialised fluid, often containing cells, that is circulated to provide internal transport in animals.
______ circulatory system: A system for fluid transportation in which there is no specialised transporting fluid (blood).
A membrane-bound liquid-filled space within cells. Responsible for turgidity and storage in plants as well as Water balance and intercellular digestion in organisms.
A tube carrying urine from the kidneys to the bladder.
____ of Henle: The U-shaped loop in a mammalian kidney between the proximal and distal convoluted tubules, dipping into the medulla.
________ circulatory system: A circulation system in which specialized fluid carrying nutrients (e.g. blood) is circulated throughout the body in a closed system of vessels.
A plant response in which the direction of the response is related to the direction from which the stimulus comes (maybe positive or negative).
_____ acid: A complex nitrogenous compound that is produced by the breakdown of nucleic acids. Excreted by snails, reptiles, insects and birds
A muscular pumping organ that mover internal fluid (usually blood) in animals.
______ pressure gradient: A gradient that causes the bulk flow of water in the phloem. It arises in response to an osmotic gradient.
A vertebrate storage organ for urine.
__________ hormone: A hormone secreted by the hypothalamus that controls the secretion of some pituitary hormones.
The removal of waste products from metabolism.
A plant hormone that stimulates the division of plant cells in the presence of an auxin.
Change in direction of plant growth in response to contact with a surface.
The organ of excretion in vertebrates, also has a role in water regulation.
_________ neuron: One which conducts an impulse from the receptor to the central nervous system
_________ detector: A receptor that detects change in a factor of the internal environment that is being regulated.
Tissue responsible for the transport of water and minerals from soil to leaves in vascular land plants.
Large artery carrying blood from the left ventricle to the body of animals.
Two large veins returning blood from the body and into the right atrium.
A blood vessel with thick, elastic walls, through which blood flows from the heart to other body parts
The fluid within the lymphatic system.
The area of the brain immediately below the thalamus.
________ nervous system: A subdivision of the nervous system that regulates the internal environment.
A chemical released from a neuron ending, in response to a nerve impulse that interacts specifically with receptors on a responding cell.
The junction between a neuron and another cell, across which an impulse is transmitted; synaptic transmission usually involves the release of a chemical (neurotransmitter).
Oxygenated: High in oxygen.
_________ detector: A receptor that detects a change in the internal of external environment
Is the first nitrogenous waste to be formed in the breakdown of protein.
____arc: A nerve pathway that produces an automatic and often rapid response to a stimulus; occurs without conscious thought.
A tiny blood vessel across which exchange occurs between blood and tissues.
Sensory receptor that detects and responds to a change in its shape.
_________ fluid: Extracellular fluid located in the spaces between cells in tissues.
A specialised structure that can detect a specific stimulus and initiate an action potential.
__________ fluid: Fluid contained within the cell membrane; fluid within the cytoplasm.
Active release of specific substances from a cell or group of cells.
A blood vessel that carries blood towards the heart in animals with closed circulatory system.
The maintenance of a stable internal environment in the face of changes in either the external or internal environment.
Fatty sheath containing nerves.
Deoxygenated: Has _____ levels of oxygen
Evaporation of water from plant shoots, mainly through stomata in leaves, and due largely to heat from the sun; draws water up xylem vessels from roots.
_______ cortex: The surface of the brain that is concerned with higher functions (such as memory).
A sensory receptor that detects and responds to light.
______ potential: A reversal of the normal potential difference across a cell membrane, or between the inside and outside of a nerve fibre.
A plant hormone associated with fruit development and ripening.
__________ nervous system (PNS): Nerve pathways and neurons located outside the central nervous system of a vertebrate; includes spinal, sensory nerves and nerves supplying the internal organs.
blood pressure: Pressure in the main arteries due to the pumping action of the left ventricle.
The external covering of an organism.
_____ acid: A growth inhibiting plant hormone.
A plant hormone that promotes the growth of new shoots, phototropic responses and development of plant parts.
The area of the brain that functions in the unconscious coordination of movement and balance.
A clump of capillaries from which plasma is filtered into the Bowman’s capsule in the first part of urine formation. Found in the outa cortex of the kidney
Membrane-bound vesicles, found in most animal cells, in which powerful enzymes break down debris and foreign microorganisms
__________ system: A system of vessels, emptying into veins near the heart, which returns interstitial fluid and proteins into the blood circulation.

Down

________ neuron: One which conducts an impulse from the central nervous system to the effector.
A secretion produced by the bladder, acts as an emulsifying agent.
An intermitted wave of raised blood pressure passing rapidly along main arteries due to the left ventricle pumping blood into the aorta.
A nerve cell, including its cell body, dendrites and axon, forming the fundamental unit of the nervous system in animals.
______ tissue: Specialised transport tissues of plants that are continuous throughout the plant. It includes Xylem and Phloem tissue.
Pulmonary ______: Blood vessels carrying blood towards or away from the lungs (via pulmonary arteries and pulmonary veins)
An organ in vertebrates that secretes bile and stores glycogen.
Small fragments of cells found in blood and involved in the blood clotting process.
__________ nervous system: A sub division of the nervous system involved with functions over which the body has voluntary control.
A chamber of the heart into which blood returns from the body or the lungs before passing into the ventricles.
______ blood cell (erythrocyte): A small biconcave haemoglobin-containing blood cell involved in oxygen transport.
The top of the spinal cord extending into the middle of the brain.
_______ gland: In animals, a gland that typically releases its secretion via a duct directly to the site of action, or into the exterior of the body.
________ gland: in animals, a gland that typically releases its secretion (hormone) directly into the circulatory system
A muscle or gland that responds to a stimulus.
______ blood cells (leucocyte): A nucleated blood cell involved in immune defence and responses. Including lymphocytes and phagocytes
A functional unit of the kidney; made up of Bowman’s capsule surrounding a glomerulus and a tubular region leading into a collecting tubule.
Fluid produced by the kidneys which contains nitrogenous waste products.
The middle (for example the middle of the kidneys)
Sensory receptors that detect and respond to specific chemical substances.
Pulmonary _____: Veins carrying oxygenated blood from the lungs to the left ventricle
‘Wood’ material in plant cell walls.
Naturally according hormones that accelerate plant growth by increasing stem elongation.
___________ division: The division of the autonomic nervous system that generally enhances body activities to gain and conserve energy
Plant tissue through which sugars and other organic compounds are distributed to different parts of the plant.
__________ tubules: The excretory organs of insects that consists of blind-ending tubular glands that empty into the digestive tract. They remove nitrogenous waste from the blood.
A tube that carries urine from the bladder to the exterior.
Flaps of tissue that prevent the backflow of blood in the heart or Lymph in the lymphatic system.
________ artery: Arteries, arising from the aorta, which carries blood to the muscular walls of the ventricles.
In the kidney, the process by which the primary kidney filtrate is taken back into the tissues, via the nephrons.
A type of white blood cell responsible for immune responses.
The reversal of polarity across the membrane of a cell.
A region of rapidly dividing cells which produces secondary growth in woody plants.
A nerve cell found in the brain or spinal cord
The part of the nerve cell that conducts action potential away from the cell body and towards the next nerve cell.
A type of white blood cell that is able to engulf and breakdown extracellular debris and invading microorganisms.
_________ fluid: Fluid located outside cell membranes: includes blood, plasma and interstitial fluid.
A highly muscular pumping chamber of the heart.
A small vein
Having a charge across a surface (e.g. Positive and negative)
A response of an organism to light (e.g. a change in direction of growth in a plant).
Sensory receptors that detect or respond to heat or cold
When substances are filtered through a specialised organ so nutrients can be reabsorbed by the body. (when blood is filtered in the glomerulus of the kidney).
Transport of dissolved sugars and other organic materials through phloem sieve tubes, from the leaves to other parts of the plant.
Stimulation of growth in some plants by exposure to a period of cold
________ feedback: A mechanism in homeostasis whereby a change in the physical condition triggers a response that re-establishes homeostasis.
The loss of liquid water from leaves as a result of root pressure.
______ nervous system (CNS): The brain and spinal cord of vertebrates.
Extensions of the cell body that increases the surface area for receiving inputs from neurons or sensory receptors.
_________ division: The division of the autonomic nervous system responsible for energy expenditure and preparing the body for action
The outer layer of an organ such as the brain or kidney.
______ Pressure: Fluid pressure generated by the osmotic uptake of water, accompanying the active uptake of mineral salts into roots; contributes to the movement of water up the xylem in plants.
Blood _________ system: The blood transport system of the body.
A smaller branch of an artery.
The orientation of a plants growth in response to gravity.
Pulmonary ______: Arteries carrying deoxygenated blood from the right ventricles to the lungs.
__________ vessel: A vessel involved in the distribution of the blood to and from the body tissues.
________ gland: An endocrine gland at the base of the hypothalamus which produces and secrets numerous hormones that regulated diverse body functions.
_______ capsule: The initial region of a nephron into which filtered plasma flows from the glomerulus
Passive diffusion of free water molecules across a selectively permeable membrane from a solution in which there are more free water molecules (a dilute solution) to a solution in which there are fewer free water molecules (a concentrated solution).
A pale yellow liquid that is the fluid portion of the blood.
A functional unit of nervous system; consists of many neurons and carries messages in the form of electrical signals.
A product of protein metabolism that is water soluble and removed by excretion

118 Clues: A small vein • Oxygenated: High in oxygen. • A smaller branch of an artery. • Fatty sheath containing nerves. • ‘Wood’ material in plant cell walls. • A vertebrate storage organ for urine. • The external covering of an organism. • The fluid within the lymphatic system. • Deoxygenated: Has _____ levels of oxygen • The removal of waste products from metabolism. • ...

Biology Puzzle 2015-11-25

Across

สารประกอบpolysaccharideและโปรตีนหุ้มรอบผนังเซลล์อีกขั้น
การสืบพันธ์แบบแบ่งตัวออกเป็น2เซลล์
สีที่แบคทีเรียแกรมบวกเป็นเมื่อย้อมติด
อะไรเอ่ยเส้นหนึ่งมีขนอีกเส้นไม่มีขน
แบคทีเรียที่ที่ดำรงชีวิตอยู่ในสภาพแวดล้อมสุดโต่ง
สารสีแดงที่พบในสาหร่าย
แบคทีเรียสร้างเพื่อเจริญเป็นเซลล์ขึ้นในสภาพแวดล้อมที่เหมาะสม
โปรติสท์ที่ทำให้เกิดโรคมาลาเรียในคนและสัตว์
เป็นคำบอกลักษณะว่ามีขนาดใหญ่
กลุ่มของแบคทีเรียที่อยู่รวมกัน

Down

โรคที่ทำให้เกิดอาการเหงาหลับ
แบคทีเรียแกรมบวกใช้ทำยาปฎิชีวนะ Streptomycin
กลุ่มแบคทีเรียที่มีflagellate2เส้น1พันรอบตัวอีกเส้นวางตัวในแนวยาว
การทับถมของdiatomใต้ท้องทะเล
จีฉ่ายใช้ในการทำอาหาร
แบคทีเรียที่อาศัยอยู่ในที่เกลือสูง
แบคทีเรียที่สร้างอาหารเองได้
โปรติสท์ที่มีลักษณะคล้ายพืชทั้งในแง่โครงสร้างผนังเซลล์และส่วนประกอบของสารสี
แบคทีเรียที่อยู่ในซอกแหนแดง
สารที่มีอยู่มากบนผนังเซลล์แบคทีเรีย gram+

20 Clues: จีฉ่ายใช้ในการทำอาหาร • สารสีแดงที่พบในสาหร่าย • แบคทีเรียที่อยู่ในซอกแหนแดง • โรคที่ทำให้เกิดอาการเหงาหลับ • การทับถมของdiatomใต้ท้องทะเล • แบคทีเรียที่สร้างอาหารเองได้ • เป็นคำบอกลักษณะว่ามีขนาดใหญ่ • กลุ่มของแบคทีเรียที่อยู่รวมกัน • การสืบพันธ์แบบแบ่งตัวออกเป็น2เซลล์ • แบคทีเรียที่อาศัยอยู่ในที่เกลือสูง • อะไรเอ่ยเส้นหนึ่งมีขนอีกเส้นไม่มีขน • ...

BIOLOGY CROSSWORD 2015-11-11

Across

the theory that changes in the earth's crust during geological history have resulted from the action of continuous and uniform processes.
the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
a length or portion of time.
is the proportion of this total variation between individuals in a given population due to genetic variation.
the theory that changes in the earth's crust during geological history have resulted chiefly from sudden violent and unusual events.
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons.
a cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.
a change or the process of change by which an organism or species becomes better suited to its environment.

Down

is a summation of all the organisms of the same group or species, which live in a particular geographical area.
a change or difference in condition, amount, or level, typically with certain limits.
the hypothesis that evolution proceeds chiefly by the accumulation of gradual changes.
the state or process of a species, family, or larger group being or becoming extinct.
the branch of biology that deals with the geographical distribution of plants and animals
evolutionary change within a species or small group of organisms, especially over a short period.
the branch of science concerned with fossil animals and plants.
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
a long and distinct period of history with a particular feature or characteristic.
an organism's ability to survive and reproduce in a particular environment.
the influence of closely associated species on each other in their evolution.

20 Clues: a length or portion of time. • the branch of science concerned with fossil animals and plants. • an organism's ability to survive and reproduce in a particular environment. • the influence of closely associated species on each other in their evolution. • a long and distinct period of history with a particular feature or characteristic. • ...

Biology crossword 2015-05-18

Across

is composed of phosphorus and oxygen and is one of the 3 parts in a Nucleotide
a thread-like structure that carries genes on it
the main protein present in milk
during cell division spindle fibres attach to these
acts as a catalyst
the process of making a copy of genetic information
having a single set of unpaired chromosomes
thick fluid in a cell
a sugar derived from ribose
part of RNA that DNA doesn't have
the central core of a cell, controls activity and growth
the sugar in RNA
messenger form of RNA
recognises foreign substances in the body
two complete sets of chromosomes
contains digestive enzymes that are present in the cytoplasm of most cells
a protein which forms with Actin to form the contractile filaments of muscle cells
the main amino acid in hair
basic physical and functional unit of heredity. Made up of DNA which code for proteins
BODY transports things around the cell
ENDOPLASMIC RETICULUM important in the synthesis and packaging of proteins

Down

PHOSPHATE BACKBONE the structural framework of DNA
transports oxygen in the blood
ENDOPLASMIC RETICULUM important in the creation and storage of lipids
a protein which forms with Myosin to form the contractile filaments of muscle cells
consists of sugar, phosphate and a base
sphere shaped structure found in the cytoplasm or attached to Rough ER
has a single strand of nucleotides and controls the synthesis of proteins
BASE Thymine, Guanine, Cytosine, Adenine
a chain of amino acids
the base that pairs with Cytosine
an alternative form of a gene
process in which cellular ribosomes create proteins
self-replicating material that carries genetic information
composed by amino acids
a sequence of three nucleotides which together form a unit of genetic code
the base that pairs with Guanine
the base that pairs with Thymine
the base that pairs with Adenine
ACID the building blocks for proteins

40 Clues: the sugar in RNA • acts as a catalyst • thick fluid in a cell • messenger form of RNA • a chain of amino acids • composed by amino acids • a sugar derived from ribose • the main amino acid in hair • an alternative form of a gene • transports oxygen in the blood • the main protein present in milk • the base that pairs with Guanine • the base that pairs with Thymine • ...

Biology Crossword 2016-01-17

Across

the powerhouse of the cell
I am the smallest blood vessel in the human body.
the most common form of medical imaging
Organs that function together form an ___________?
I am made up of all the skin, hair, nails, and glands within the human body.
the largest organ in the human body
the usage of high-frequency sound waves in order to produce images of body tissues and organs.
A cell that divides uncontrollably is a ___________.
I am the process in which healthy genes are inserted into an organ with absent or faulty genes so that the organ can function normally.
The “steady state” of the human body.
I am a repeating cycles of events that every cell goes through. What am I?

Down

The actions and state of one organ system is able to directly affect the productivity and well-being of another organ system. Hence, organ systems are _________.
the basic unit of life
the pressure of blood against the walls of the arteries is called _________.
the process of transplantation of living cells, tissues, and organs into a human recipient.
I am apart of the microscope that is used to magnify the specimen; usually by 4 X, 10X and 40X
an unspecialized cell
the process of making a person immune to infection though vaccinations.
I am found in several locations within the plant and am responsible for growing new parts of the plant.
The creation of genetically identical organisms is called ________?

20 Clues: an unspecialized cell • the basic unit of life • the powerhouse of the cell • the largest organ in the human body • The “steady state” of the human body. • the most common form of medical imaging • I am the smallest blood vessel in the human body. • Organs that function together form an ___________? • A cell that divides uncontrollably is a ___________. • ...

Biology Crossword 2016-01-17

Across

the pressure of blood against the walls of the arteries is called _________.
I am found in several locations within the plant and am responsible for growing new parts of the plant.
I am the process in which healthy genes are inserted into an organ with absent or faulty genes so that the organ can function normally.
I am a repeating cycles of events that every cell goes through. What am I?
the largest organ in the human body
I am made up of all the skin, hair, nails, and glands within the human body.
A cell that divides uncontrollably is a ___________.
Organs that function together form an ___________?
the usage of high-frequency sound waves in order to produce images of body tissues and organs.
The creation of genetically identical organisms is called ________?

Down

an unspecialized cell
The “steady state” of the human body.
I am apart of the microscope that is used to magnify the specimen; usually by 4 X, 10X and 40X
the process of transplantation of living cells, tissues, and organs into a human recipient.
the process of making a person immune to infection though vaccinations.
the powerhouse of the cell
The actions and state of one organ system is able to directly affect the productivity and well-being of another organ system. Hence, organ systems are _________.
I am the smallest blood vessel in the human body.
the most common form of medical imaging
the basic unit of life

Biology Terms 2016-05-18

Across

group of one or more populations of an organism or organisms seen by taxonomists to form a unit.
powerhouse of the cell
organelle in the cytoplasm of eukaryotic cells containing enzymes that clean up decaying matter enclosed in a membrane.
bond/a covalent bond formed by joining the carbon group of one amino acid to the amino group of another.
RNA molecules that carry amino acids to the ribosome for polymerization into a polypeptide.
process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
living organisms, usually one-celled, that can be found everywhere.
a portion of the DNA code to other parts of the cell for processing.
cell/a cell that contains an endoplasmic reticulum and specialized organelles not present in prokaryotes, especially mitochondria, Golgi bodies, and lysosomes.
smallest particle in a chemical element or compound that has the chemical properties of that element or compound.
relationship between two organisms where one benefits, and the other is harmed.
cell/an undifferentiated cell of a multi-cellular organism that is capable of giving rise to indefinitely more cells of the same type.

Down

acid, is defined as a nucleic acid that contains the genetic code.
division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus.
acids/large molecules made from monomers known as nucleotides.
electrons from electron donors to electron receptors across a membrane.
relations and interactions between organisms and their environment.
apparatus/vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
for ribonucleic acid. The nucleic acid that is used in key metabolic processes for all steps of protein synthesis in all living cells.
acid/any of a class of organic compounds that contains at least one amino group.

20 Clues: powerhouse of the cell • acids/large molecules made from monomers known as nucleotides. • acid, is defined as a nucleic acid that contains the genetic code. • living organisms, usually one-celled, that can be found everywhere. • relations and interactions between organisms and their environment. • ...

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