biology Crossword Puzzles

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. • ...

Spelling crossword - ology 2022-06-16

Spelling crossword - ology crossword puzzle

Across

the branch of biology
a system of ideas
the branch of science that deals with nature
the study of nature and religious belief
the study of living organisms
the study of bacteria

Down

the system of relationships among speech
the science dealing with X-rays
the study of crime and criminals
the study of movements

10 Clues: a system of ideas • the branch of biology • the study of movements • the study of bacteria • the study of living organisms • the science dealing with X-rays • the study of crime and criminals • the system of relationships among speech • the study of nature and religious belief • the branch of science that deals with nature

Spanish crossword puzzle 2021-04-15

Spanish crossword puzzle crossword puzzle

Across

el libro
la música
el estadio
la profesora
el examen
el español
la biología
el escritorio
las ciencias
la física

Down

la ventana
la computación
la mochila
el inglés
el horario
la ventana
el arte
las matemáticas
el profesor
la historía

20 Clues: el libro • el arte • la música • el inglés • el examen • la física • la ventana • la mochila • el estadio • el horario • la ventana • el español • el profesor • la historía • la profesora • la biología • las ciencias • el escritorio • la computación • las matemáticas

BIOLOGY CROSSWORD 2016-10-24

Across

are soluble protein molecules that can speed up chemical reactions in cells
catalysts which speed up chemical reactions, but remain unchanged themselves
consist of either one or two long chains of repeating units called nucleotides, which consist of a nitrogen base
A chemical reaction in which two molecules combine to form a larger molecule with the elimination of a small molecule (H 2O in biological systems)
are large molecules composed of many similar smaller molecules linked together
A chemical bond formed by the sharing of one or more electrons
are the building blocks of all biological proteins
refers to the sticking together of alike molecules, such as water molecule being attracted to another water molecule
The specific action of an enzyme with a single substrate can be explained using a
Any of a series of sweet-tasting, crystalline carbohydrates
the basic unit of a chemical element

Down

is the process of joining two molecules, or compounds, together following the removal of water
The force of attraction between unlike molecules, or the attraction between the surfaces of contacting bodies
a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen
A tiny or a very small piece of something.
A molecule that may react chemically to another molecule of the same type to form a larger molecule, such as dimer, trimer, tetramer, polymer, etc.
A large complex molecule, such as nucleic acids, proteins, carbohydrates, and lipids, with relatively large molecular weight. Supplement
comprise a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble
are molecular compounds made from just three elements
a substance that cannot be decomposed into simpler substances by chemical means, and is made up of atoms all with identical number of protons.
A chemical bond formed between two ions with opposite charges
is a measure of the hydrogen ion concentration of a solution

22 Clues: the basic unit of a chemical element • A tiny or a very small piece of something. • are the building blocks of all biological proteins • are molecular compounds made from just three elements • Any of a series of sweet-tasting, crystalline carbohydrates • is a measure of the hydrogen ion concentration of a solution • ...

Biology Crossword 2016-06-09

Across

All the components inside the cell membrane
Make a person immune to infection by vaccination
Unspecialized cells
The power house of the cell!
Cells develop in different ways to perform different functions
Make leaves green; photosynthesis
Storage space in a cell
Self-destruction of cells
One-way tubes that transport water

Down

Imaging produces images of organs and tissues within the body
Two-way tubes that transport sugar
The balance that your body works to maintain
Basic component of life
Cell division
Cells look different and perform different functions; before specialization
Pinching of the cell membrane
Long piece of coiled DNA and proteins
Enzymes that destroy wastes
cell Cells that does not undergo apoptosis; reproduces uncontrollably
Openings on the underside of leaves

20 Clues: Cell division • Unspecialized cells • Basic component of life • Storage space in a cell • Self-destruction of cells • Enzymes that destroy wastes • The power house of the cell! • Pinching of the cell membrane • Make leaves green; photosynthesis • Two-way tubes that transport sugar • One-way tubes that transport water • Openings on the underside of leaves • ...

Biology Vocab 2016-10-18

Across

a chemical bond formed between 2 ions with opposite charges.
a measure of the hydrogen ion concentration of a solution.
the building blocks of all biological proteins
macromolecular biological catalysts.
a substance capable of initiating or speeding up a chemical reaction.
a substance made up of atoms with the same number of protons.
very large and complex organic molecules that contain the genetic code for that organism.
a chemical reaction in which 2 molecules combine to form a larger molecule with the elimination of small molecule.
like a key into a rock, only the correct size and shape of the substrate(key) would fit into the active site(key Hole) of the enzyme.
naturally occurring molecules that include fats, waxes,fat-soluble vitamins, and others.

Down

the basic unit of matter.
a chemical reaction that builds up molecules by losing water molecules.
natural compound of carbon, hydrogen, and oxygen.
a chemical bond formed by the sharing of 1 or more electrons.
a molecule that may react chemically to another molecule of the same type.
larger biological polymers which are made up of smaller monomers linked together.
a molecule composed of polymers and amino acids joined together by peptide bonds.
the sticking together of alike molecules.
a chain of 2 or more simple sugars.
a weak chemical bond between an electronegative atom and a hydrogen atom.
a substance made up from many smaller sub-unit, especially joined together.
the sticking together of unlike molecules.
smallest unit of an element or compound, made up of 2 or more atoms.

23 Clues: the basic unit of matter. • a chain of 2 or more simple sugars. • macromolecular biological catalysts. • the sticking together of alike molecules. • the sticking together of unlike molecules. • the building blocks of all biological proteins • natural compound of carbon, hydrogen, and oxygen. • a measure of the hydrogen ion concentration of a solution. • ...

biology crossword 2016-09-17

Across

knowledge of the physical world
the act or process of inferring
as budding, fission, or spore formation, not involving the union of gametes.
any trial or test of a hypothesis under carefully managed conditions
to devolope gradually
A manipulated variable is the independent variable in an experiment.
an act or instance of noticing
instrument that has a magnifying lens for inspecting objects too small to see with ones eye
the physiological system of higher animals, to maintain internal stability
guess or conjecture

Down

dependent variable
living organisms from nonliving matter
reproduction involving the union of gametes.
the science of life or living matter in all its forms
decimal measuring system based on the meter
mere assumption or guess
a plural of datum.
The maintenance or growth of dispersed cells in a medium after removal from the body
the sum of the physical and chemical processes in an organism
a usually microscopic structure containing nuclear and cytoplasmic matiral

20 Clues: dependent variable • a plural of datum. • guess or conjecture • to devolope gradually • mere assumption or guess • an act or instance of noticing • knowledge of the physical world • the act or process of inferring • living organisms from nonliving matter • decimal measuring system based on the meter • reproduction involving the union of gametes. • ...

Biology crossword 2015-09-25

Across

a molecule that can be bonded to other identical molecules to form a polymer.
any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose
a molecule that binds to an enzyme and decreases its activity
a substance produced by a living organism that acts as a catalyst to speed up a specific biochemical reaction.
bonding an attraction between atoms that allows the formation of chemical substances that contain two or more atoms
acids a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
reaction transformation of one molecule to a different molecule inside a cell and mediated by enzymes
acid a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
protein used for support such as connective tissue and keratin that forms hair and finger nails.
energy the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
(of a reaction or process) accompanied by or requiring the absorption of heat.
a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid, and higher values more alkaline
a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
protein coordinate body activities such as insulin which regulates the amount of sugar in the blood.

Down

(of a reaction or process) accompanied by the release of heat.
a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
protein protein that accelerates the speed of chemical reactions such as digestive enzymes which break down food in the digestive tract
any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water
protein help control movement such as proteins in the muscles which help control contraction.
form the basic structural unit of a nucleic acid
any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies
the process of breaking down food by mechanical and enzymatic action into substances that can be used by the body.
protein move many substances throughout the body. An example is hemoglobin that transports oxygen from the lungs to the other parts of the body to be used by cells in cellular respiration
the chemical processes that occur within a living organism in order to maintain life.

24 Clues: form the basic structural unit of a nucleic acid • a molecule that binds to an enzyme and decreases its activity • (of a reaction or process) accompanied by the release of heat. • a molecule that can be bonded to other identical molecules to form a polymer. • (of a reaction or process) accompanied by or requiring the absorption of heat. • ...

Molecular Biology 2017-01-26

Across

a complex molecule containing the genetic information that makes up the chromosomes
cells of reproduction
fertilized egg that contains chromosomes from both a sperm and an egg
single celled spherical organism
fats
system the body system that includes the lugs and heart
the cell highway
factor all living organism that inhabits an environment
main energy source that cells use for most of their work
reactions occur anytime chemical bond is broken or formed
the basic unit of life
a simple sugar that is an important source of energy
a group of atoms bonded together
a living thing
A segment of DNA on a chromosomes that codes for a specif trait

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anything that has mass and takes up space
cell organelle that stores material such as water salts proteins and carbohydrate
cell division
All of the chemical reactions that occur within and organism
combined with or having undergone a chemical reaction with oxygen
the study of microorganism
a nutrient in food that gets broken down into glucose to provide energy
a rapid reaction between oxygen and fuel source
system the human body system that contains heart,blood,and blood vessel
Nutrients that contain nitrogen as well as carbon hydrogen and oxygen
A tiny cell structure that carries out a specific function within the cell
basal Metabolic rate
a unit to measure the amount of energy contained in foods
factor non living factors including temp,water,and rocks

29 Clues: fats • cell division • a living thing • the cell highway • basal Metabolic rate • cells of reproduction • the basic unit of life • the study of microorganism • single celled spherical organism • a group of atoms bonded together • anything that has mass and takes up space • a rapid reaction between oxygen and fuel source • a simple sugar that is an important source of energy • ...

Biology terms 2017-12-10

Across

the first stage of cell division
the death of cells
has membrane-bound organelles
a full set of chromosomes
a complete set of genetic material present in a cell
any cell of a living organism
a section of a chromosome
specialised structures in a cell
a human has 46 ____
the number and visual appearance of the chromosomes in the cell nuclei in an organism
developed from earlier cells
the 'control centre' of the cell
a protein structure that divides genetic material in a cell
the second stage of cell divison
two or more alternate forms of a gene

Down

a type of cell division that results in four daughter cells
are made up of amino acids
a microscopic single-celled organism
the final phase of cell division
a type of cell division that results in two daughter cells
the carrier of genetic information
the part of a chromosome that links sister chromotids
a half set of chromosomes
involved in development of spindle fibres
attaches to the endoplasmic reticulum to give it a 'rough' appearance
the phase of cell cycle in which a typical cell spends most of its life
a structure in plant cells made from cellulose
eggs and sperm

28 Clues: eggs and sperm • the death of cells • a human has 46 ____ • a full set of chromosomes • a section of a chromosome • a half set of chromosomes • are made up of amino acids • developed from earlier cells • has membrane-bound organelles • any cell of a living organism • the first stage of cell division • the final phase of cell division • specialised structures in a cell • ...

Biology Orientation 2017-12-12

Across

Controlled cell death
The stage in mitosis cell division when the chromosome line up in the middle of the cell
A cell or organism with a membrane-bound nucleus and organelles
A specific segment of DNA bases
Microtubules that grow out of a centriole
A result of amino acids linked with peptide bonds
The center of the chromosome that holds the two chromotids together
gametes are this type of cell category
Early stage of mitosis cell division where the the chromosomes are fully formed
A cell or organism without a membrane-bound nucleus or organelles
A sperm of egg cell
A cell in an organism that isnt a reproductive cell therefore being a diploid cell
Contains RNA and is a major site of protein production
The division of the nucleus in diploid cells

Down

Contains the genetic information and coordinates all cell activity
Period of cell growth and DNA synthesis is a mitotic cell cycle
A nucleic acid that contains coded genetic instructions
A cell that has only one set of chromosomes
A diagram of all chromosomes in a cell
The building block for all living organisms
Surrounds the cell membrane in a plant cell
Sum total of the genes present in a cell or an organism
A cell that has the full 46 chromosomes as it has two sets
The stage in mitosis when the spindle fibers are disassembled and nuclear membranes reform
Small cylinders that separate to opposite poles in cells undergoing mitosis
Specialized structures within a living cell
Long strands of DNA that contain many genes
The different forms of a particular gene found on chromosomes
The division of the nucleus in haploid cells

29 Clues: A sperm of egg cell • Controlled cell death • A specific segment of DNA bases • A diagram of all chromosomes in a cell • gametes are this type of cell category • Microtubules that grow out of a centriole • A cell that has only one set of chromosomes • The building block for all living organisms • Surrounds the cell membrane in a plant cell • ...

Biology Crossword 2017-06-01

Across

Can affect every codon in a particular genetic sequence
pairs with adenine
Mixes the food with gastric acid and breaks down the food
The strand which replicates in chunks 2words
untwists the helix
A change in the heritable characteristics of populations over generations
the enzyme that carries out the replication 2words
mRNA is sent to the cytoplasm, where it bonds with ribosomes
British naturalist who is best known for his contributions to evolutionary theory
removes metabolic and liquid toxic wastes as well as excess water from the organism
Pumps the blood throughout the body
pairs with guanine
What is the first step in transcription?

Down

The first strand, which replicates nucleotides one by one 2words
Errors in codons caused by changes in nucleotide bases
What is an enzyme that moves with the replication fork & synthesizes numerous RNA primers?
The change in nucleotide base has no outward effect 2words
produced in the salivary glands
produces urea and uric acid as a by-product of the breakdown of proteins
an inherited characteristic that becomes prevalent because it provides an advantage
The ability to survive to reproductive age, find a mate, and produce offspring
What is a single-stranded nucleic acid?
pairs with uracil
What is the sugar that RNA contains?
Where does the process of digestion begin?

25 Clues: pairs with uracil • pairs with adenine • untwists the helix • pairs with guanine • produced in the salivary glands • Pumps the blood throughout the body • What is the sugar that RNA contains? • What is a single-stranded nucleic acid? • What is the first step in transcription? • Where does the process of digestion begin? • The strand which replicates in chunks 2words • ...

Biology Review 2017-06-01

Across

nucleic acid that consists of a long chain of nucleotides
receives oxygen poor blood
a hollow, muscular organ that pumps blood around the body
a hollow ball of cells
is made continuously from one primer (2 words)
eat other animals
have three chamber heart: two atria, one ventricle
many aquatic invertebrates and most aquatic chordates exchange gases through
heart or heart like organs forces blood through
insertion and deletion are also know as (2 words)
untwists the double helix and exposes complementary strands
digest food inside specialized cells that pass nutrients to other cells by diffusion (2 words)
have a four chamber heart that are actually two separate pumps working next to one another
making RNA from a sequence of DNA bases
these animals exhibit four characteristics during at least one stage of life
after proteins are built they transfer each amino acid to the ribosome
the decoding of mRNA into protein
occurs in the nucleus of eukaryotes & cytoplasm of prokaryotes (2 words)
reverses direction of parts of a chromosome
RNA contains A, C, G, U, which are letters of a language called (2 words)
genes carry instructions from DNA for assembling amino acids into protein
one base is changed to a different base
outermost layer, produces organs, nerves, and the outer layer of skin

Down

proteins are built on ribosomes
the process of change overtime
natural selection occurs through this (4 words)
pre-mRNA molecules have small pieces that are cut out and discarded
in RNA the sugar is this instead of deoxyribose
structures that concentrate waste and add them to digest wastes (2 words)
eat plants or parts of plants
heritable changes in genetic information
is assembled in segments created from many primers (2 words)
only works in one direction (2 words)
digest food in a tube which had two openings (2 words)
include skin, mantle cavities, book lungs, and tracheal tubes (2 words)
one specific amino acid
organs that exchange oxygen and carbon dioxide between blood and air
land vertebrates use these to get rid of ammonia
begins or continues in a stomach that secretes digestive enzymes (2 words)
obtain extra nutrients from the bacteria
father of evolution
part of a chromosome breaks off and attaches to another
land invertebrates produce urine in
animals remove ammonia waste through the process of
spongy cavities
pumps blood out oxygen rich blood
possible three-base codons in the genetic code (2 words)

47 Clues: spongy cavities • eat other animals • father of evolution • a hollow ball of cells • one specific amino acid • receives oxygen poor blood • eat plants or parts of plants • the process of change overtime • proteins are built on ribosomes • the decoding of mRNA into protein • pumps blood out oxygen rich blood • land invertebrates produce urine in • only works in one direction (2 words) • ...

Biology Crossword 2017-03-16

Across

fuel: natural gas
single cell organisms
the study of living organisms
this is the role of an organism within an ecosystem
i benefit from another organism without affecting it
populations of different species living in a habitat
members of a species living in a habitat
two organisms of different species that benefit from each other
where a particular organism lives
a group of organisms having many characteristics in common

Down

shell: the outside part of an atom
a developing offspring that is unborn or unhatched
i produce food by photosynthesis
community of living organisms and their physical environment
single cell food absorbing bacteria
helps absorbs fats
acid: i am a building block for proteins
the surroundings in which a person lives
i can only be seen through a microscope
the highest taxonomic kingdom
i live and feed off another organism
yeast is this kind

22 Clues: fuel: natural gas • helps absorbs fats • yeast is this kind • single cell organisms • the study of living organisms • the highest taxonomic kingdom • i produce food by photosynthesis • where a particular organism lives • shell: the outside part of an atom • single cell food absorbing bacteria • i live and feed off another organism • i can only be seen through a microscope • ...

Organismal Biology 2018-01-14

Across

/ Blood vessel where exchange of nutrients, gases and waste products occurs
/ A junction between two neurons or a neuron and an effector
/ A person who is suffering from both chronic bronchitis and emphysema
/ Condition of having at least three loose or liquid bowel movements each day
/ A digestive juice produced by the liver and stored in the gall bladder
/ Process of maintaining salt and water balance across membranes within the body
/ Mixes food and saliva in the mouth
gland / Secretes saliva in the buccal cavity
/ Are called thrombocytes and used in blood clotting
/ Organ located near the stomach that makes insulin and glucagon
/ Also known as red blood cell
ventricle / Chamber within the heart that is responsible for pumping oxygen-depleted blood to the lungs
/ Organ that serves as the center of the nervous system
intestine / It is where food absorption happens
/ Air passages that are connected to the lungs
/ Largest artery in body
/ Organ found in the mesentery that stores blood

Down

bladder / Holds the urine
/ Blood entering in the left atrium via pulmonary vein
/ glottis lead to the _____
/ Receives nerve impulses from the axon terminal to a cell body
/ A rhythmic wave-like contraction of muscles that propels food down to the stomach
/ It is a muscular organ that pumps blood throughout the body
/ Largest organ in the body cavity; where bile is produced
/ A small rounded mass of a substance, especially of chewed food at the moment of swallowing
/ Taking in food
sphincter / Regulates the exit of partially digested food from the stomach
/ Process that occurs if an antigen is mixed with its corresponding antibody
/ Is also known as inhalation; happens when oxygen from the air enters the lungs
/ Air sacs where gas exchange occurs
/ Protein that is present in the surface of red blood cells
/ Also known as windpipe
/ Carries blood away from the heart
/ Pair of organs that filters wastes from the blood
/ Carbohydrate digestion begins in the _____

35 Clues: / Taking in food • / Also known as windpipe • / Largest artery in body • bladder / Holds the urine • / glottis lead to the _____ • / Also known as red blood cell • / Carries blood away from the heart • / Mixes food and saliva in the mouth • / Air sacs where gas exchange occurs • / Carbohydrate digestion begins in the _____ • ...

Biology Crossword 2018-01-27

Across

Phase where the cell prepares for cell division
Rod-shaped organelles important for cell division
Containing two sets of chromosomes
cells that produce gametes
Cells that have a clearly defined nucleus and other organelles
Cells that don't have clearly defined structures
Building blocks of life
Final stage of mitosis and meiosis
Is the process that the body uses to produce gametes
First stage of mitosis and meiosis
Any cell other than germ cells
Full set of chromosomes
Protein factories of the cell

Down

Microtubule clusters
Specialised part of a cell
Carries a genetic code for a particular characteristic
Containing only one set of chromosomes
The process that somatic cells use to divide and replicate
Different forms of the same gene, located at the same point
Determines the particular traits we have
A representation of all the chromosomes in homologous pairs
The ‘control centre’ of the cell
Where the two chromosomes are held together to form an 'X' shape
A molecule made up of amino acids, and is used to carry out different functions
Programmed cell death
Is made up of two chromatids
Sperm and Egg Cells
Phase in mitosis and meiosis in which chromosomes line up along the metaphase plate
It give's the cell its shape, structure and protection

29 Clues: Sperm and Egg Cells • Microtubule clusters • Programmed cell death • Building blocks of life • Full set of chromosomes • Specialised part of a cell • cells that produce gametes • Is made up of two chromatids • Protein factories of the cell • Any cell other than germ cells • The ‘control centre’ of the cell • Containing two sets of chromosomes • Final stage of mitosis and meiosis • ...

biology crossword 2018-01-28

Across

the resting phase following mitosis/ meiosis
what DNA stands for
half diploid
any cell other than reproductive cells
double the haploid number
the middle of a chromosome
results in four daughter cells
the outer layer of a plant cell
single-celled organism that doesn’t have a nucleus
a cellular part that has a special function
they are attached to rough endoplasmic reticulum
the basic physical and functional unit of heredity
the most important part of an object

Down

a molecule made up of amino acids
they organise chromosomes
a reproductive cell that is haploid
the number and visual appearance of chromosomes
the second stage of cell division
an organism consisting of a distinct nucleus
they divide genetic information in a cell
a cell that is not a somatic cell
when cells die
first phase of mitosis
results in two daughter cells
carries genetic information
an organism’s complete set of DNA
they can be dominant or recessive
the final phase of cell division
the smallest structural and functional unit of an organism

29 Clues: half diploid • when cells die • what DNA stands for • first phase of mitosis • they organise chromosomes • double the haploid number • the middle of a chromosome • carries genetic information • results in two daughter cells • results in four daughter cells • the outer layer of a plant cell • the final phase of cell division • a molecule made up of amino acids • ...

Biology Terminology 2018-01-28

Across

has a cytoplasm and nucleus in a membrane
(Haploid) sperm and egg cells
Half the number of diploid chromosomes
What do Ribosomes produce?
The layer that surrounds plant cells
Where the microtubules attach on a chromosome
Small section of DNA that gives the instructions for the construction of protein
results in 2 identical daughter cells
hereditary unit of information, found in the nucleus of cells
equally divides the chromosomes into two daughter cells
final phase of cell division that results in two nuclei being formed
The first phase of mitosis
The third phase of Mitosis
What is an organisms complete set of DNA called?
long section of DNA (humans have 23 pairs of it)
Membrane bound functions within a cell
having double the haploid chromosomes

Down

different version of the same gene
The living cell found in four out of the five kingdoms
The type of living cell found in the Monera kingdom
contains the DNA
The phase of a cells life in which it copies its DNA, to prepare for mitosis
(Diploid) skin and bone cells
Image of all chromosomes in a nucleus
process of cell death
results in 4 non-identical haploid daughter cells
population of bodily cells
Can be found attached to the rough endoplasmic reticulum or floating in the cytoplasm
located near the nucleus, it functions during cell division

29 Clues: contains the DNA • process of cell death • What do Ribosomes produce? • population of bodily cells • The first phase of mitosis • The third phase of Mitosis • (Haploid) sperm and egg cells • (Diploid) skin and bone cells • different version of the same gene • The layer that surrounds plant cells • Image of all chromosomes in a nucleus • results in 2 identical daughter cells • ...

Biology thingy 2018-04-26

Across

- one of the four constituent bases of nucleic acids paired with Cytosine.
- the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine.
- produces RNA molecules, the enzyme is a type of RNA polymerase.
- group along with sugars and bases, it makes up nucleic acids, like DNA and RNA.
- copying or reproducing something.
- an enzyme produced chiefly by certain bacteria, having the property of cleaving DNA molecules at or near a specific sequence of bases.
- forming new copies of DNA in the form of nucleic acid molecules
- a collection of microscopic DNA spots attached to a solid surface. Used to measure the expression levels of large numbers of genes simultaneously or to genotype multiple regions of a genome.
- a sugar derived from ribose by replacing a hydroxyl group with hydrogen.
- a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal during protein synthesis
- the analysis of DNA from samples of body tissues or fluids.
- a small circular DNA strand in the cytoplasm of a bacterium or protozoan.
- adenine-thymine and guanine-cytosine in DNA, and adenine-uracil and guanine-cytosine in RNA
- an organism or cell produced asexually from one ancestor or stock, to which they are genetically identical.

Down

- the transplantation of normal genes into cells in place of missing or defective ones in order to correct genetic disorders.
- tests or techniques used in connection with the detection of crime.
- enzymes that bind and may even remodel nucleic acid or nucleic acid protein complexes
- an enzyme that brings about ligation of DNA or another substance.
- enzyme that is responsible for making rna from a dna template.
- one of the four constituent bases of nucleic acids pair with Guanine.
- short sequence of DNA used to identify a chromosome or to locate other genes on a genetic map.
- denoting an organism that contains genetic material into which DNA from an unrelated organism has been artificially introduced.
- one of the four constituent bases of nucleic acids paired with Adenine.
- genetic material that has been artificially altered so as to produce a desired characteristic.
- DNA that has been formed artificially by combining constituents from different organisms.
- Machine used to make multiple copies of a fraction of DNA.
- a written or printed representation of something
- one of the four constituent bases of nucleic acids paired with Thymine.
- a sequence of three nucleotides forming a unit of genetic code in a transfer RNA molecule, corresponding to a complementary codon in messenger RNA

29 Clues: - copying or reproducing something. • - a written or printed representation of something • - Machine used to make multiple copies of a fraction of DNA. • - the analysis of DNA from samples of body tissues or fluids. • - enzyme that is responsible for making rna from a dna template. • - produces RNA molecules, the enzyme is a type of RNA polymerase. • ...

Biology Revision 2018-10-26

Across

an example of a large complex carbohydrate- plants make their cell wall from it
lack of calcium
the test for lipids/ fat
supplied by proteins
made up of lots of sugars joined together in long chains
Make everything in our body work properly, included in vegetables, fruit and cereal.
fats that are liquid at room temperature, generally better for you
An example of a macro- nutrients that provides us with energy.
the test for proteins
Repair muscles and cells, included in meat and fish
keeps everything flowing smoothly through our dietary system.
Provide us with energy
the test for starch
they react with benidicts solution, e.g. glucose, maltose and fructose
joined to fatty acids to make a triglyceride

Down

the test for protein
the atoms in the molecule have just one ring
a fat that it a solid at room temperature, e.g. butter
IRON, CALCIUM, SODIUM and FLUORINE are examples of them
the structural energy- giving components of our food
found in triglyceride
don't react with benedict's
vitamins and minerals that are essential for good health
when we eat more food than we need we can become this
made of two rings
bad nutrition/ an un- balanced diet
you get this when you lack in vitamin C
The correct intake of macro and micro nutrients in our body

28 Clues: lack of calcium • made of two rings • the test for starch • the test for protein • supplied by proteins • found in triglyceride • the test for proteins • Provide us with energy • the test for lipids/ fat • don't react with benedict's • bad nutrition/ an un- balanced diet • you get this when you lack in vitamin C • the atoms in the molecule have just one ring • ...

Invertabrates biology 2018-05-15

Across

occurs in coeloblastula
produced of early cleavage
organism can be split along at least one plane
plane that separates dorsal and ventral sides
in stereo blastula with holoblastic cleavage
without true tissues (sponges)
cylindrical, body parts around one main axis
ectoderm, endoderm and mesoderm
with true tissues
product of holoblastic cleavage
cell fates determined early missed cells not replaceable
important to define grades of complexity in organisms
strictly longitudinal transverse division
passes along axis of body, separates into left and right
mesoderm forms solid mass of tissue and sometimes small cavities
portions of the body specialized only 2 planes divide organism into perfectly similar halves
Ectoderm and endoderm only outside and inside but no middle
concentrated yolk, center
complete cell division most common in isolecithal eggs
occurs in coeloblastula, cells divide with cleavage planes
multicellular

Down

occurs in coeloblastula
concentrated yolk, vegetal pole
Sponges and polyps have _____ symmetry
organism whose body lacks an axis have the form of a sphere
no body axis or plane of symmetry
without true tissues (placozoans)
cell rates determined late
product of holoblastic cleavage
little yolk, uniform distribution
partisl cell division common in telolcithal eggs
ground plan or structural design, features shared by a group of organisms
regular arrangement of body structures relative to axis of the body
in discoblastula cells around disc edge divide rapidly
fluid filled cavity between gut and body wall
aggregation of cells with similar morphology and physiology that have a similar function
body parts oriented about axis that makes an anterior and posterior
any plane cutting across the main body perpendicular to the midsaggital plane
adults develop from embryos
fluid filled cavity between gut and body wall
undivided mass of yolk
embryonic tissue layers give rise to different cell types
multilayered post-blastula form
filled with non-cellular yolk
unicellular

45 Clues: unicellular • multicellular • with true tissues • undivided mass of yolk • occurs in coeloblastula • occurs in coeloblastula • concentrated yolk, center • produced of early cleavage • cell rates determined late • adults develop from embryos • filled with non-cellular yolk • without true tissues (sponges) • concentrated yolk, vegetal pole • product of holoblastic cleavage • ...

Human Biology 2012-03-27

Across

The stored food in egg cells that nourishes the embryo.
The inner layer of the skin, beneath the epidermis
An automatic reaction to a stimulus, mediated by the spinal cord or lower brain
A ropelike bundle of neuron fibers (axons and dendrites) tightly wrapped in connective tissue.
A substance that is dissolved in a solution.
A very small arter
The tendency of different kinds of molecules to stick together
General term for cancers of the lymphoid tissues
The branch of biology concerned with naming and classifying the diverse forms of life.
A foreign macromolecule that does not belong to the host organism and that elicits an immune response
The inner, as opposed to the outer, part of an organ, as in the adrenal gland.
A heterotrophic mode of nutrition in which other organisms or detritus are eaten whole or in piece
extends leg at knee
Any method of increasing contact between the respiratory medium and the respiratory surface
The major artery in blood-circulating systems; the aorta sends blood to the other body tissues.
A protein that suppresses the transcription of a gene.
acquired immunodeficiency syndrome
The transparent anterior portion of the eyeball
A noncoding, intervening sequence within a eukaryotic gene.
The process of breaking down food into molecules small enough for the body to absorb.
extends forarm at elbow
extends humerus or adducts and rotates arm medially
A member of the nonreproductive laboring caste of social insects
solution Solutions of equal solute concentration
Flexes forarm at elbow
The study of the functioning body organs.
A virus that parasitizes a bacterial cell
Flexes wrist
vascular system in plants that carries water and minerals from the roots to the rest of the plant.
Dead organic matter
Any minute, threadlike structure within a cell.
Carpi Radialis Longus Extends leg at knee
The formation of a gastrula from a blastula
The movement of water and dissolved substances into a cell, tissue, or organism
Extends and adducts arm and rotates humerus inwardly or pulls shoulder downward and posterially
Femoris Dorsiflexion and inversion of foot
Biologists who specialize in the study of fish behavior, anatomy, physiology, and evolution.
Longus rotates forearm medially
The steady-state physiological condition of the body
Brachii Flexes leg, extends thigh
The colorless fluid, derived from interstitial fluid, in the lymphatic system of vertebrate animals.

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The diploid product of the union of haploid gametes in conception; a fertilized egg.
are prokaryotic microorganisms responsible for many human diseases.
Abducts, flexes, and rotates thigh medially
The study of animals
Major Adducts arm, extends and flexes humerus
In genetics, the proportion of individuals with a particular genotype that show the phenotype ascribed to that genotype
A biological compound consisting of three fatty acids linked to one glycerol molecule.
Teres Rotates arm laterally
Abducts and rotates thigh medially
membrane The outer membrane of the cell; the plasma membrane.
Semifluid mass consisting of partially digested food
The science of biological structures.
An organism that absorbs nutrients from the body fluids of living hosts
Latae Flexes thigh
Medius adducts, flexes and rotates thigh laterally
Anterior Flexes thigh
Carpi Radialis flexes and abducts wrist
Voice box
female whose function is to lay eggs
A male gamete
A sugary fluid that attracts insects to plants.
A type of flexible connective tissue with an abundance of collagenous fibers embedded in chondrin
Dorsi Flexes forarm at elbow and rotates hand laterally
Pertaining to the stomach.
A sugar
Rodlike structure of tightly coiled chromatin
Femoris rotates arm laterally
A diploid organism that carries identical alleles at one or more genetic loci.
Dorsiflexion and eversion of foot and extension of toes
Flexes leg, extends thigh
An organism that acts as a decomposer by absorbing nutrients from dead organic matter.
Major Adducts thigh flexes and rotates lower limb medially
The tubular excretory unit of the vertebrate kidney
Longus extends wrist and abducts hand
Pulls arm anteriorly and across chest rotates humerus or abducts arm
One of two tubes that transport urine from the kidneys to the urinary bladder.
A harmless variant or derivative of a pathogen that stimulates a host's immune system to mount defenses against the pathogen
flexes and abducts wrist
The protein shell that encloses the viral genome; rod-shaped, polyhedral, or more completely shaped.
Disintegration of a cell by rupture of its plasma membrane
Medialis extends fingers
Major extends leg at knee
malignant, invasive disease
An enzyme in perspiration, tears, and saliva that attacks bacterial cell walls
The study of how organisms interact with their envir

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 • flexes and abducts wrist • Medialis extends fingers • Flexes leg, extends thigh • Major extends leg at knee • Pertaining to the stomach. • ...

Biology Crossword 2013-01-14

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Tissue System all plant tissues other than those that make up the dermal and vascular tissue systems
the first stage of mitosis, in which the chromosomes become visible and the nuclear membrane dissolves
Tissue System the tissues responsible for conducting materials within a plant
the second stage of mitosis, in which the chromosomes line up in the middle of the cell
Reproduction the process of producing offspring from only one parent; the production of offspring that are genetically identical to the parent
a cell that contains a nucleus and other organelles, each surrounded by a thin membrane
the stage of the cell cycle in which the DNA in the nucleus is divided; the first part of cell division
a broad group of diseases that result in uncontrolled cell division
the process of transplanting an organ or tissue from one species to another
a structure composed of different tissues working together to perform a complex body function
the material in the nucleus of a cell that contains all of the cell’s genetic information
Cell one of two genetically identical, new cells that result from the division of one parent cell
a thick-walled blood vessel that carries blood away from the heart

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System the organ system that is made up of the brain, the spinal cord, and the peripheral nerves; the system that senses the environment and coordinates appropriate responses
the third phase of mitosis, in which the sister chromatids separate into daughter chromosomes, and each moves toward opposite ends of the cells
a structure in the cell nucleus made up of a portion of the cell’s DNA, condensed into a structure that is visible under a light microscope
Cycle the three stages (interphase, mitosis, and cytokinesis) through which a cell passes as it grows and divides
Cell a cell that can perform a specific function
a cell structure that performs a specific function for the cell
a tiny, thin-walled blood vessel that enables the exchange of gases, nutrients, and wastes between the blood and the body tissues

20 Clues: Cell a cell that can perform a specific function • a cell structure that performs a specific function for the cell • a thick-walled blood vessel that carries blood away from the heart • a broad group of diseases that result in uncontrolled cell division • the process of transplanting an organ or tissue from one species to another • ...

Biology Crossword 2013-03-10

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A lung disease resulting from the inhalation of asbestos particles
Lung inflammation caused by viral or fungal infection
Feedback that reduces the output of a system
Each of the functional units in the kidney
The process of breathing
A capsule-shaped membranous structure surrounding the glomerulus of each nephron in the kidneys
Structure for breathing
The sampling of amniotic fluid using a hollow needle inserted into the uterus, to screen for developmental abnormalities in a fetus
Enzyme that breaks down carbohydrates
Makes up the pleural cavity that surrounds the lungs
Anti diuruetic hormone
Each of a pair of organs in the abdominal cavity
A small structure located just below the hypothalamus
Used as a method of treatment for sufferers of asthma
The process of a women menstruating monthly
A steroid hormone released by the corpus luteum that stimulates the uterus to prepare for pregnancy
The separation of particles in a liquid on the basis of differences in their ability to pass through a membrane
A porous device for removing impurities or solid particles from a liquid or gas passed through it
The process that starts with fertilisation and ends with conception

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The release of eggs from the ovary
A hereditary disorder affecting the exocrine glands. It causes the production of abnormally thick mucus
The extent of a 2-dimensional surface enclosed within a boundary
Inflammation of the mucous membrane in the bronchial tubes
Used to send vital substances from the mother to the developing foetus
Enzyme that breaks down proteins
A gas used within respiration
A disease caused by the formation of cancerous cells in the lugs
A respiratory condition marked by spasms in the bronchi of the lungs
A short, microscopic, hairlike vibrating structure (e.g: eyelash)
The exchange of gases
The process of sperm fertilising the eggs
The muscle that separates the chest cavity from the abdomen
Used to prevent conception taking place
Formed in the ovary
The thin layer of tissue forming the natural outer covering of the body of a person or animal
The process of inhaling gases, oxygen in particular
These are found within the lungs
A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
A nitrogen-containing substance normally cleared from the blood by the kidney into the urine
A bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver
The passive movement of particles from an area of higher concentration to lower concentration
A gas which is one of the products of exhalation
Enzyme used to break down proteins
Produce sperm in the male reproductive system
Also known as the womb
The process of releasing gases, carbon dioxide in particular

46 Clues: Formed in the ovary • The exchange of gases • Anti diuruetic hormone • Also known as the womb • Structure for breathing • The process of breathing • A gas used within respiration • Enzyme that breaks down proteins • These are found within the lungs • The release of eggs from the ovary • Enzyme used to break down proteins • Enzyme that breaks down carbohydrates • ...

Molecular Biology 2013-04-29

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single stranded nucleic acid that helps DNA turn genetic info into proteins
group of macromolecules that do the work of the cell
respiration that does not require oxygen or mitochondria
polysaccharide used to store glucose in animals
polysaccharide used to store glucose in plants
polysaccharide used for structure in plants
positive result indicates a lipid
type of lipid made up of four rings that send signals in the body
a hydrophilic molecule that is a part of many lipids
monomer of nucleic acids
acid monomers of proteins
long chains of carbon and hydrogen that are a part of many lipids
polymer of carbohydrates
group of macromolecules that are all hydrophobic
macromolecules that store and transmit genetic information
positive result indicates starch

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efficient type of respiration that requires oxygen and mitochondria
class of macromolecules that contain C, H, and O and used as energy source
special class of proteins used to speed up chemical reactions
repels water
positive result indicates a protein
the site on an enzyme where the substrate binds
monosaccharide, major energy source for living things
positive result indicates a simple sugar
monomer of carbohydrates
a type of lipid that makes up the cell membrane
the "input" of an enzyme catalyzed reaction
protein used to regulate glucose levels
protein in red blood cells that carries oxygen
double helix, nucleic acid that stores genetic information

30 Clues: repels water • monomer of carbohydrates • monomer of nucleic acids • polymer of carbohydrates • acid monomers of proteins • positive result indicates starch • positive result indicates a lipid • positive result indicates a protein • protein used to regulate glucose levels • positive result indicates a simple sugar • polysaccharide used for structure in plants • ...

Biology Crossword 2013-02-10

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The adjustment of an organism, used for benefit
Species that evolve in response to changes in eachother
Distribution A bell curve that has no outliers and has not been affected in any way
The gradual development of a species over time
collection of alleles found in all of the individuals of a population
When there is no gene flow between populations and new species evolve
A mathematical theory that calculates the probability of possible phenotypes in an organism
The remains or impression of a prehistoric organism that has been petrified
A group of organisms similar in features, capable of reproduction
A theory by Hutton. It states that the laying down of soil results from a slow process that happened over a long period of time
The theory produced by Cuvier that states natural disasters that occur all throughout history, causes the extinction of an organism or species
The process by which an organism ceases to exist

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A group of organisms of a species located in an area
The movement of alleles between populations
The process by which better adapted organisms survive and reproduce
The study of geographical distribution of plants and animals
The study of fossils
The ability to be passed from offspring to another
A relative measure of success of an organism
observable change in the allele frequencies of a population over generations

20 Clues: The study of fossils • The movement of alleles between populations • A relative measure of success of an organism • The gradual development of a species over time • The adjustment of an organism, used for benefit • The process by which an organism ceases to exist • The ability to be passed from offspring to another • A group of organisms of a species located in an area • ...

AP Biology 2012-11-26

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chemical agent that speeds up a chemical reaction
spontaneous chemical reaction in which there is a net release of free energy
use of energy released from exergonic reaction to power endergonic reaction-energy _____
energy available in molecules for release in chemical reaction
temporary complex formed when a catalyst binds to substrate
study of energy transformations that occur in a collection of matter
energy amount of energy needed to begin reaction
capacity to cause change

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metabolic pathway that synthesizes complex molecules
law of thermodynamics that states all energy in universe is conserved
study of energy flow through organism
series of chemical reactions that either builds or breaks down a complex molecule
metabolic pathway that breaks down complex molecules
type of energy that is a result of location or spatial arrangement
the law of thermodynamics that states each chemical reaction increases entropy
total amount of kinetic energy of molecules, also called thermal energy
non spontaneous chemical reaction in which free energy is absorbed from surroundings
totality of an organism's chemical reactions
type of energy associated with motion
macromolecule serving as a catalyst

20 Clues: capacity to cause change • macromolecule serving as a catalyst • study of energy flow through organism • type of energy associated with motion • totality of an organism's chemical reactions • energy amount of energy needed to begin reaction • chemical agent that speeds up a chemical reaction • metabolic pathway that synthesizes complex molecules • ...

Biology Crossword 2012-11-30

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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

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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 • ...

Biology Vocab 2013-09-20

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Water molecules are attracted to themselves.
A type of protein that speeds up a reaction.
Very small and are found in everything that has mass.
The substance that gets broken down in a solution.
Provides energy and structure for organisms.
Negatively charged, found orbiting the outside of an atom.
The outcome when an enzyme and substrate combine.
Molecule When a molecule has a slight charge.
A homogenous mixture.
Result of two elements covalently bonded.
Positively charged, found in the nucleus of an Atom.
Site The special point where the substrate and enzyme combine to create a chemical reaction.
Undergoes a change in a chemical reaction.
Acid A macromolecule, it stores and sends genetic info.

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A combination of two elements.
Not charged, found in the nucleus.
Water is known as the “Universal _ _ _ _ _ _ _”
A substances that combines with an enzyme to be broken up or combined.
When water molecules stick to other substances.
Defends us from germs and stores amino acids.
Waxes,fats, and steroids are all examples of this.
Enzyme is an example of this.
Found on the periodic table, cannot be broken down.

23 Clues: A homogenous mixture. • Enzyme is an example of this. • A combination of two elements. • Not charged, found in the nucleus. • Result of two elements covalently bonded. • Undergoes a change in a chemical reaction. • Water molecules are attracted to themselves. • A type of protein that speeds up a reaction. • Provides energy and structure for organisms. • ...

BIOLOGY VOCAB 2013-05-27

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double stranded nucleic acid that contains genetic info. for cell growth and function
group of organisms consisting of similar individuals capable of exchanging gens or interbreeding.
electrically neutral group of 2 or more atoms held together by covalent chemical bonds.
species at serious risk of extinction
quantity of particular substance that can dissolve in a solvent
producing intended result
cell part. converts energy into forms usable by the cell. Site for cellular respiration.
to undergo change or alter
where a fresh water supply meets salt water (river and ocean)
system hard structure of bones that provides the frame of the body
acid complex organic substance present in cells

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changing the structure of a gene, resulting in variant form
indigenous to a place
substance that can dissolve
not easily convinced
solution solution in water
where all opposing forces are balanced
number and variety of a species
native not indigenous
process where a cell separates chromosomes in the nucleus into 2 identical sets; in 2 separate nuclei.

20 Clues: not easily convinced • indigenous to a place • native not indigenous • producing intended result • solution solution in water • to undergo change or alter • substance that can dissolve • number and variety of a species • species at serious risk of extinction • where all opposing forces are balanced • acid complex organic substance present in cells • ...

Crossword Biology 2013-05-21

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Carrot: A tapering orange-colored root eaten as a vegetable.
Aquaculture: the raising of aquatic animals for human consumption.
Green Revolution: Modern agricultural techniques that greatly increased the world’s food supply.
Multilingual: Using or knowing more than one language.
Pollutant: Is a harmful material that can enter the biosphere through the land, air, or water.
Non Renewable Resources: Are resources that cannot regenerate naturally in a short period of time.
Habitat Fragmentation: As habitats disappear, species that live there also disappear and development splits habitats into pieces.
Sustainable Development: Using natural resources without depleting them.
Ecosystem Variety: Includes the variety of habitats, communities, and ecological presences in the living world.
Parallel Parking: The act or process of parking parallel to the curb contrasted with angle parking
Species Diversity: Refers to the number of different species in the biosphere.
Desertification: Human and natural activities that have turned productive soils into desert.

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Monoculture: Farming in which large fields are planted with a single crop year after year.
Biological Magnification: Is when concentrations of a harmful substance increase in organisms of higher trophic levels.
Lepton: A subatomic particle, such as an electron, muon, or neutrino, that does not take part in the strong interaction.
Agriculture: The practice of farming.
Deforestation: Loss of forests.
Smog: A mixture of chemicals that produce a grey/brown haze in the atmosphere.
Renewable Resources: Are resources that can regenerate naturally over a short period of time.
Crab Cake: A patty of chopped crab meat and various other ingredients such as breadcrumbs, milk, eggs, onions, and seasonings, which is fried or baked.
Genetic Diversity: refers to the sum of all the different forms of genetic information carried by all organisms living on Earth today.
Soil Erosion: The wearing away of surface soil by water and wind.
Endangered Species: A species whose population is declining in a way that places it in danger of extinction.
Extinction: When a species disappears from all or part of its habitat.
Biodiversity: Is the sum of the genetically based variety of all organisms in the biosphere.

25 Clues: Deforestation: Loss of forests. • Agriculture: The practice of farming. • Multilingual: Using or knowing more than one language. • Carrot: A tapering orange-colored root eaten as a vegetable. • Soil Erosion: The wearing away of surface soil by water and wind. • Aquaculture: the raising of aquatic animals for human consumption. • ...

Biology Baffle 2014-03-04

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zone that is hot year round
zone where it is always cold
assembling of populations
condition of atmosphere at a certain time/place
eat both plants and animals
factor from something nonliving
eat other organisms
are made up from same species
relationship between 2 close living organisms
uses chemicals for carbohydrates
tundra soil that is always frozen
organisms purpose
necessity of life
produce their own food
portions of earth where life exists
groups of similar ecosystems
zone that has seasons
study of interactions among organisms
organism's ability to live in unfavorable conditions

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average yearly condition of temp./precipitation
uses light for power in chemical reaction
only eat animals
break down matter
decaying leaves and other organic matter on forest floor
feed on dead matter
small differing climate from surrounding climate
interaction when one organism feeds on another
factor from an organism
only eat plants
level in food web or chain

30 Clues: only eat plants • only eat animals • break down matter • organisms purpose • necessity of life • eat other organisms • feed on dead matter • zone that has seasons • produce their own food • factor from an organism • assembling of populations • level in food web or chain • zone that is hot year round • eat both plants and animals • zone where it is always cold • groups of similar ecosystems • ...

Biology Unit 2014-11-12

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One of the four bases in RNA, and binds with Adenine
A part inside of the cell.
The control center of the cell.
Binds with Adenine
A location on a DNA strand that holds information for creating proteins.
Proteins are created in this organelle.
Chromosomes move to opposite poles of the cell
The process where a cell divides into two.
Stimulates the growth of sperm producing cells
Male glands that create sperm and testosterone
Chromosomes line up in the center
Binds together with Guanine
New plants grow from special roots and stems
First stage of mitosis
Breaks down unnecessary substances with enzymes.
Ribonucleic acid
A part of the organism breaks off due to injury and becomes a new organism.
Two parents create a living being.
An organelle found only in plant cells where photo synthesis occurs.
Only one parent is required for reproduction.
Two chromatids put together.
They appear during cell division to pull the chromosomes apart.
The last stage of mitosis
A sperm cell embeds itself in an egg cell
A cell with two sets of chromosomes (half from each parent cell).
Two organisms are attracted to each other and create a new organism
Holds two chromatids together to form a chromosome.
A unicellular organism that for example, mushrooms release to reproduce.
An organism grows on top of another one and can break off to form a new individual.
Cell asexually reproduces by dividing in half

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Binds with Cytosine
The organelle which acts like a storage container.
The transportation system of the cell.
A center inside of the nucleus where DNA replication happens.
Fertilization that occurs outside the female's body
An organism with the exact same genetic information of it's parent
Pairs of chromosomes that have genes in similar locations
Male hormone controls secondary male sexual characteristics
Interphase, mitosis, cytokinesis
Two replicated chromatids
One of the four base pairs in a DNA strand that binds with Thymine
Fertilization that occurs inside the female's body
The stage a cell will spend most of it's life in
A cell used for sexual reproduction
A parent cell divides into two daughter cells that have the same genetic information.
Powder from plants that create sperm cells
Long coiled tube that stores and transports sperm to the testes
An organelle that packages proteins into vesicles.
A cell that has the ability to become many different cells.
The powerhouse of the cell.
Pollen fertilizers a plant
DNA strands.
Tube that connects the testes with the urethra
Stimulates cells to produce testosterone
A cell with one set of chromosomes.
A packaged protein.
Two parent cells with half the chromosomes divide into four daughter diploid cells with different genetic information.
Fertilized egg
Deoxyribonucleic acid

59 Clues: DNA strands. • Fertilized egg • Ribonucleic acid • Binds with Adenine • Binds with Cytosine • A packaged protein. • Deoxyribonucleic acid • First stage of mitosis • Two replicated chromatids • The last stage of mitosis • A part inside of the cell. • Pollen fertilizers a plant • Binds together with Guanine • The powerhouse of the cell. • Two chromatids put together. • ...

Biology Review 2014-06-06

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Bond formed by the sharing of electrons between atoms.
One of the principal chemical compounds that living things use to store and release energy.
The composition of nearly all cell membranes. (two words)
The process in which cells develop in different ways to perform different tasks. (two words)
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.
Electron carrier involved in glycolysis.
Process by which some organisms use chemical energy to produce carbohydrates.
The system that provides oxygen needed for cellular respiration and removes excess carbon dioxide from the body.
The granular material you can see in the nucleus.
Relationship in which two species live closely together.
Carry high-energy electrons produced by light absorption in chlorophyll to chemical reactions elsewhere in the cell.

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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)
Conversion of nitrates into nitrogen gas.
Process by which a cell releases large amounts of material.
Specialized structure that performs important cellular functions within a eukaryotic cell.
Large macromolecule formed from monosaccharides.
Loss of water from a plant through its leaves.
Process in which extensions or cytoplasm surround and engulf large particles and take them into the cell.
Group of similar cells that perform a particular function.
The reactants of enzyme-catalyzed reactions.
Process by which organisms maintain a relatively stable internal environment.
Weak acid or base that can react with strong acids or bases to help prevent sharp, sudden changes in pH.
Single sugar molecules.
Group of organs that work together to perform a specific function. (two words)

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 Homework 2014-11-21

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/ An inorganic substance
/ To prevent diseases
/ Gives quick release energy
/ A substance produced by a living organism
/ An infectious disease
/ Caused by a calcium deficiency
/ The rate of your chemical reactions
/ A disease that causes soft bones
/ A type of chemical in food
/ Covers the lining of the small intestine

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/ A mineral
/ Another word for the oesophagus
/ White blood cells make these
/ Caused by an unbalanced diet
/ A type of acid
/ Disease carried by mosquito's
/ A diet where you don't count calories
/ Needed for growth and repair
/ An incurable disease
/ Found in potatoes

20 Clues: / A mineral • / A type of acid • / Found in potatoes • / To prevent diseases • / An incurable disease • / An infectious disease • / An inorganic substance • / Gives quick release energy • / A type of chemical in food • / White blood cells make these • / Caused by an unbalanced diet • / Needed for growth and repair • / Disease carried by mosquito's • / Caused by a calcium deficiency • ...

Biology Crossword 2014-05-23

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the strainer like opening to the water-vascular system.
a condition in which two equal halves of a body mirror each other
Layer of tissue that covers the body of many invertebrates.
Top half
An internal supporting skeleton
Hard, external, supporting structure that develops from the ectoderm
circulatory system Heart that circulates blood through that forms a closed loop
asexual reproduction in which a part of the parent organism pinches off
irregular in shape without symmetry
Body cavity that contains internal organs.
In arachnids the body part made up of the head and the thorax
A cavity that serves both digestive and circulatory purposes in cnidarians.
One organism feeds on and lives on or in another organism.
Consists of water that is contained under pressure in a closed cavity.
Mouth part in arthropods used to pierce and suck food.

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the front end
concentration of nerve tissue and sensory organs at the anterior of an organism
Organism that has both make and female reproductive organs.
A carbohydrate that forms part of the exoskeleton of arthropods and other organisms
In aquatic animals, a respiratory structure that consists of many blood vessels
a system of fluid filled, closed tubes that work together to enable echinoderms to move and get food
Tail like structure on the back of a euglena
Eye composed of many light detectors, separated by pigment cells.
Appendage that some invertebrates use to move
pincers that aid in catching food and in removing foreign materials from the skin
respiration air enters the lungs of a spider
Animal that does not have a backbone
Stinging cells located on tentacles

28 Clues: Top half • the front end • An internal supporting skeleton • irregular in shape without symmetry • Stinging cells located on tentacles • Animal that does not have a backbone • Body cavity that contains internal organs. • Tail like structure on the back of a euglena • respiration air enters the lungs of a spider • Appendage that some invertebrates use to move • ...

BIOLOGY HONORS 2014-10-15

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Respiration/the process that releases energy by breaking down food molecules in the presence of oxygen.
process that molecules tend to from an area where they are more concentrated to an area where they are less concentrated.
energy from food molecules in the absence of oxygen.
of the principal chemical compounds that living things use to store energy.
not require oxygen.
energy from the foods they consume (animals).
principle pigment.
region out the thylakoid membranes.
gather the suns energy with light-absorbing molecules.
photosynthetic membranes.

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first stage of cellular respiration.
second stage of cellular respiration.
Reactions/requires light.
their own food (plants).
water molecules to pass easily through most biological membranes.
use the energy of sunlight to convert water and carbon dioxide into oxygen and high-energy carbohydrates.
Calvin Cycle/uses ATP and NADPH from the light-dependent reactions to produce high-energy sugars.
oxygen.
Synthase/protein that membranes contain.
Transport Chain/the third stage of cellular respiration.

20 Clues: oxygen. • principle pigment. • not require oxygen. • their own food (plants). • Reactions/requires light. • photosynthetic membranes. • region out the thylakoid membranes. • first stage of cellular respiration. • second stage of cellular respiration. • Synthase/protein that membranes contain. • energy from the foods they consume (animals). • ...

Biology Crossword 2014-05-10

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This is the "Power House" of the cell.
The movement of dissolved substances from an area of higher concentration to an area of lower concentration.
This is the last stage of mitosis.
The substance or object you put on your slide.
The process of cell division.
This kind of technology gives a black and white picture of foreign objects in your body.
This is like the transportation system of the cell.
This part of the microscope gives the distance needed between the eyepiece and objecvtive.
This imaging technology gives you a 3-D photograph of the person.
This type of egg begins to divide within 24 hours.
These cells are controversial.
When the magnification is 100 what is the objective lens.
A group of 2 or more types of tissue that preform a specific task.
You are given an injection before you are scanned in this imaging technology.
These cells store energy as glycogen.
This disease is caused by the circulatory system.
This system takes in food, breaks it down then, takes away the remaining waste from the body.
Using this doctors can tell the difference between cancerous tumors or just fluid filled cysts.

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The cell wall is only included in this type of a cell.
Levels of organization of increasing or decreasing complexity.
This system is made up of the lungs, bronchi and trachea.
This tissue allows the stomach to squeeze and churn food then, break it down.
This system is made up of the heart, blood vessels and blood.
This scanner is shaped like a doughnut and examines dense tissues.
Chromosomes line up along the equator of the cell during this phase.
This is cause by the respiratory system.
Holds the slide in place.
This is the most complex tissue in the body.
This part assembles parts of the ribosomes.
In this stage DNA duplicates.
Removal of living tissue for diagnostic examination.
This tissue supports and connects the bodies organs.
Image of the breast produced by an x-ray.
These cells can produce certain types of cells.
These cells produce green pigment also known as, chlorophyll.
This tissue is made up of tightly packed cells.
The movement of water across a cell membrane towards an area where dissolved substances are at a higher concentration.
Site of protein.
A digestive system disease which causes difficulty swallowing.
Something that is living.

40 Clues: Site of protein. • Holds the slide in place. • Something that is living. • The process of cell division. • In this stage DNA duplicates. • These cells are controversial. • This is the last stage of mitosis. • These cells store energy as glycogen. • This is the "Power House" of the cell. • This is cause by the respiratory system. • Image of the breast produced by an x-ray. • ...

Biology Crossword 2014-08-21

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The organelle that synthesizes (manufactures) proteins
Replaces Thymine in mRNA
The process when the DNA code is read to produce mRNA in the nucleus
This is a phosphate, sugar and nitrogenous base
The messenger that takes the instructions from the DNA in the nucleus to the ribosome
Many grouped loops of DNA and histones form a long thread cable called...
The first step in DNA replication, when the DNA unzips
The process where the Ribosome reads the mRNA to construct an amino acid chain
The full name for DNA
A chain of amino acids produced by a ribosome
The complementary base of Thymine
The third and final step in DNA replication, when the double helixes are rebound.
A small section of the DNA chain that has instructions for making a single protein or trait

Down

Type of acid that makes RNA
A group of three nucleotides in mRNA which contains the code for a amino acid
The full name for RNA
The organelle that is the control centre of the atom
The second step in DNA replication, when new bases (A,C, G, T) are linked in.
Another name for the process where a cell divides
The a building blocks of all proteins
Has a single sugar ribose backbone and exposed bases
The name of the double sugar-phosphate backbone of DNA
The process when DNA duplicates itself before cell division (mitosis)
Chromatin threads condense into these before a cell splits
The name of the gel like substance in a cell

25 Clues: The full name for RNA • The full name for DNA • Replaces Thymine in mRNA • Type of acid that makes RNA • The complementary base of Thymine • The a building blocks of all proteins • The name of the gel like substance in a cell • A chain of amino acids produced by a ribosome • This is a phosphate, sugar and nitrogenous base • Another name for the process where a cell divides • ...

Biology Crossword 2014-09-07

Across

Hormone responsible for the development of ovaries in females
Hormone that controls metabolic rate
Hormone responsible for the 'fight or flight' response
A plants response to gravity
The body's temperature control
Hormone responsible for general growth
Person who cannot control their blood sugar levels
The plant hormone responsible for cell elongation
Neuron that carries impulses from sense organs to spinal cord and brain
Hormone released by the pancreas to control blood sugar levels
Involuntary response to a stimuli that is processed in the spinal cord, not the brain

Down

Chemicals released in the body that travel through the bloodstream and affect the activities of cells in other parts of the body
The chemical communication system
The reversing of a change in the internal environment
Maintaining the internal environment despite external changes
Neuron that connects sensory and motor neurons
Hormone responsible for the maturation of sperm in males
A plants response to light
Neuron that carries impulses from the brain and spinal cord to muscles and glands
Who is the best teacher?

20 Clues: Who is the best teacher? • A plants response to light • A plants response to gravity • The body's temperature control • The chemical communication system • Hormone that controls metabolic rate • Hormone responsible for general growth • Neuron that connects sensory and motor neurons • The plant hormone responsible for cell elongation • ...

Biology Vocab 2015-04-26

Across

Eukaryotic organisms that can be unicellular, colonial, or multicellular.
clock Model used to compare DNA sequences from two different species to estimate how long they have been evolving.
Contains related orders.
Branching diagram that represents the proposed phylogeny or evolutionary history of a species or group.
Phylum, contains related classes.
Division, contains related classes.
Method that classifies organisms according to the order they diverged from a common ancestor.
A discipline of biology concerned with identifying,naming, and classifying species based on natural relationships.
Taxen composed of related phyla or divisions.
Named group of organisms.

Down

A group of species that are closely related and share a common ancestor.
nomenclature Gives each species a specific name with two parts.
Evolutionary history of a species.
Thought to be more ancient than bacteria, yet more closely related to eukaryotic ancestors.
Grouping objects or organisms based on a set of criteria.
A similar, related genera.
Broadest of all taxas, contains one or more kingdoms.
Inherited features that vary among species.
Contains related families.
Unicellular or multicellular eukaryote that absorbs nutrients from organic material in its environment.

20 Clues: Contains related orders. • Named group of organisms. • A similar, related genera. • Contains related families. • Phylum, contains related classes. • Evolutionary history of a species. • Division, contains related classes. • Inherited features that vary among species. • Taxen composed of related phyla or divisions. • Broadest of all taxas, contains one or more kingdoms. • ...

Biology Vocabulary 2015-05-28

Across

the posterior part of the body
the stage in which an insect changes from larva to adult
air enters and leave the tracheal tubes through here
organs that contain silk glands
the skin of echinoderms that is stretched over an internal skeleton
how arthropods breath
a mouthpart adapted for biting and grinding food
part of the exoskeleton that covers the cephalothorax
organs that have layers of respiratory tissue

Down

the first pair of legs that bear large claws.
groups of individuals each castes has a body form specialized for its role
structures such as legs and antennae that extend from the body wall
protein and carbohydrates are called this
tough external covering
lies just behind the head and houses most of the internal organs
contains fangs and are used to stab and paralyze prey
formed by fusion of the head with the thorax
are used to grab prey
flipperlike appendages used for swimming
immature forms lack functional sexual organs

20 Clues: are used to grab prey • how arthropods breath • tough external covering • the posterior part of the body • organs that contain silk glands • flipperlike appendages used for swimming • protein and carbohydrates are called this • formed by fusion of the head with the thorax • immature forms lack functional sexual organs • the first pair of legs that bear large claws. • ...

PLANT BIOLOGY 2015-03-19

Across

The main site of photosynthesis in a plant; typically consists of a flattened blade and a stalk (petiole) that joins it to the stem.
Contains large amounts of starch, but no chlorophyll, specialized for storage.
Hardens cell walls of some plant tissues.
System of all the plant’s stems, leaves, and reproductive structures.
Flowers contain spores and gametes.
The part of a plant’s shoot system that supports the leaves and reproductive structures.
The nonliving portion of a plant’s vascular system that provides support and conveys xylem sap from the roots to the rest of the plant.
Tiny pores which allow exchange of CO2, and O2 between the surrounding air and the photosynthetic cells inside the leaf.
A plant embryo packaged with a food supply within a protective covering.
Tissues consisting of cells joined into tubes that transport water and nutrients throughout the plant body.

Down

A chloroplast that develops in the absence of light.
First leaf to grow from a seed.
A flowering plant, which forms seeds inside a protective chamber called ovary.
The portion of a plant’s vascular tissue system that transports sugars and other organic nutrients from leaves or storage tissues to other parts of the plant.
A naked-seed plant.
A functional unit connecting all of the plant’s organs.
Contains red, orange, or yellow carotenoid pigments that are water insoluble, impart color to fruits, etc.
A plant that lacks xylem and phloem; a seedless non-vascular plant.
Contains chlorophyll, internal membranes organized as grana, specialized for photosynthesis.
A waxy coating on the surface of stems and leaves that helps retain water.

20 Clues: A naked-seed plant. • First leaf to grow from a seed. • Flowers contain spores and gametes. • Hardens cell walls of some plant tissues. • A chloroplast that develops in the absence of light. • A functional unit connecting all of the plant’s organs. • A plant that lacks xylem and phloem; a seedless non-vascular plant. • ...

Biology Definitions 2015-06-11

Across

A plant hormone that promotes the growth of new shoots, phototropic responses and development of plant parts.
Large artery carrying blood from the left ventricle to the body of animals.
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.
Extensions of the cell body that increases the surface area for receiving inputs from neurons or sensory receptors.
________ nervous system: A subdivision of the nervous system that regulates the internal environment.
The orientation of a plants growth in response to gravity.
arc/ A nerve pathway that produces an automatic and often rapid response to a stimulus; occurs without conscious thought.
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).
acid/ A complex nitrogenous compound that is produced by the breakdown of nucleic acids. Excreted by snails, reptiles, insects and birds
__________ hormone: A hormone secreted by the hypothalamus that controls the secretion of some pituitary hormones.
________ artery: Arteries, arising from the aorta, which carries blood to the muscular walls of the ventricles.
A region of rapidly dividing cells which produces secondary growth in woody plants.
Fluid produced by the kidneys which contains nitrogenous waste products.
A type of white blood cell responsible for immune responses.
A sensory receptor that detects and responds to light.
The organ of excretion in vertebrates, also has a role in water regulation.
A chamber of the heart into which blood returns from the body or the lungs before passing into the ventricles.
A blood vessel that carries blood towards the heart in animals with closed circulatory system.
Oxygenated: High in oxygen.
Stimulation of growth in some plants by exposure to a period of cold
Specialised fluid, often containing cells, that is circulated to provide internal transport in animals.
Blood _________ system: The blood transport system of the body.
________ neuron: One which conducts an impulse from the central nervous system to the effector.
The top of the spinal cord extending into the middle of the brain.
_____ acid: A growth inhibiting plant hormone.
Transport of dissolved sugars and other organic materials through phloem sieve tubes, from the leaves to other parts of the plant.
A chemical released from a neuron ending, in response to a nerve impulse that interacts specifically with receptors on a responding cell.
_________ fluid: Extracellular fluid located in the spaces between cells in tissues.
An intermitted wave of raised blood pressure passing rapidly along main arteries due to the left ventricle pumping blood into the aorta.
Active release of specific substances from a cell or group of cells.
The removal of waste products from metabolism.
______ nervous system (CNS): The brain and spinal cord of vertebrates.
A highly muscular pumping chamber of the heart.
pressure: Pressure in the main arteries due to the pumping action of the left ventricle.
The outer layer of an organ such as the brain or kidney.
A plant hormone associated with fruit development and ripening.
A functional unit of the kidney; made up of Bowman’s capsule surrounding a glomerulus and a tubular region leading into a collecting tubule.
_______ cortex: The surface of the brain that is concerned with higher functions (such as memory).
________ gland: An endocrine gland at the base of the hypothalamus which produces and secrets numerous hormones that regulated diverse body functions.
________ 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.
__________ 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.
A blood vessel with thick, elastic walls, through which blood flows from the heart to other body parts
The area of the brain that functions in the unconscious coordination of movement and balance.
______ blood cells (leucocyte): A nucleated blood cell involved in immune defence and responses. Including lymphocytes and phagocytes
A muscular pumping organ that mover internal fluid (usually blood) in animals.
A nerve cell, including its cell body, dendrites and axon, forming the fundamental unit of the nervous system in animals.
______ blood cell (erythrocyte): A small biconcave haemoglobin-containing blood cell involved in oxygen transport.
A small vein
The loss of liquid water from leaves as a result of root pressure.
____ of Henle: The U-shaped loop in a mammalian kidney between the proximal and distal convoluted tubules, dipping into the medulla.
In the kidney, the process by which the primary kidney filtrate is taken back into the tissues, via the nephrons.
The part of the nerve cell that conducts action potential away from the cell body and towards the next nerve cell.

Down

A functional unit of nervous system; consists of many neurons and carries messages in the form of electrical signals.
A smaller branch of an artery.
________ gland: in animals, a gland that typically releases its secretion (hormone) directly into the circulatory system
_______ 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.
The area of the brain immediately below the thalamus.
__________ nervous system: A sub division of the nervous system involved with functions over which the body has voluntary control.
Deoxygenated: Has _____ levels of oxygen
A tube that carries urine from the bladder to the exterior.
A pale yellow liquid that is the fluid portion of the blood.
A muscle or gland that responds to a stimulus.
______ pressure gradient: A gradient that causes the bulk flow of water in the phloem. It arises in response to an osmotic gradient.
______ tissue: Specialised transport tissues of plants that are continuous throughout the plant. It includes Xylem and Phloem tissue.
__________ fluid: Fluid contained within the cell membrane; fluid within the cytoplasm.
_________ division: The division of the autonomic nervous system responsible for energy expenditure and preparing the body for action
A type of white blood cell that is able to engulf and breakdown extracellular debris and invading microorganisms.
Change in direction of plant growth in response to contact with a surface.
A response of an organism to light (e.g. a change in direction of growth in a plant).
__________ system: A system of vessels, emptying into veins near the heart, which returns interstitial fluid and proteins into the blood circulation.
The maintenance of a stable internal environment in the face of changes in either the external or internal environment.
‘Wood’ material in plant cell walls.
Fatty sheath containing nerves.
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
An organ in vertebrates that secretes bile and stores glycogen.
Membrane-bound vesicles, found in most animal cells, in which powerful enzymes break down debris and foreign microorganisms
___________ division: The division of the autonomic nervous system that generally enhances body activities to gain and conserve energy
The fluid within the lymphatic system.
A plant response in which the direction of the response is related to the direction from which the stimulus comes (maybe positive or negative).
Having a charge across a surface (e.g. Positive and negative)
Sensory receptor that detects and responds to a change in its shape.
________ feedback: A mechanism in homeostasis whereby a change in the physical condition triggers a response that re-establishes homeostasis.
A tiny blood vessel across which exchange occurs between blood and tissues.
_______ capsule: The initial region of a nephron into which filtered plasma flows from the glomerulus
The external covering of an organism.
Pulmonary ______: Arteries carrying deoxygenated blood from the right ventricles to the lungs.
The reversal of polarity across the membrane of a cell.
A specialised structure that can detect a specific stimulus and initiate an action potential.
Sensory receptors that detect or respond to heat or cold
_________ detector: A receptor that detects change in a factor of the internal environment that is being regulated.
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.
Pulmonary _____: Veins carrying oxygenated blood from the lungs to the left ventricle
_________ detector: A receptor that detects a change in the internal of external environment
_________ neuron: One which conducts an impulse from the receptor to the central nervous system
A nerve cell found in the brain or spinal cord
__________ vessel: A vessel involved in the distribution of the blood to and from the body tissues.
Sensory receptors that detect and respond to specific chemical substances.
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 plant hormone that stimulates the division of plant cells in the presence of an auxin.
A tube carrying urine from the kidneys to the bladder.
Small fragments of cells found in blood and involved in the blood clotting process.
Naturally according hormones that accelerate plant growth by increasing stem elongation.
/ _________ fluid: Fluid located outside cell membranes: includes blood, plasma and interstitial fluid.
A secretion produced by the bladder, acts as an emulsifying agent.
The junction between a neuron and another cell, across which an impulse is transmitted; synaptic transmission usually involves the release of a chemical (neurotransmitter).
__________ 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.
Plant tissue through which sugars and other organic compounds are distributed to different parts of the plant.
______ circulatory system: A system for fluid transportation in which there is no specialised transporting fluid (blood).
A product of protein metabolism that is water soluble and removed by excretion
A vertebrate storage organ for urine.
Flaps of tissue that prevent the backflow of blood in the heart or Lymph in the lymphatic system.
______ potential: A reversal of the normal potential difference across a cell membrane, or between the inside and outside of a nerve fibre.
The middle (for example the middle of the kidneys)
Pulmonary ______: Blood vessels carrying blood towards or away from the lungs (via pulmonary arteries and pulmonary veins)
Is the first nitrogenous waste to be formed in the breakdown of protein.
Tissue responsible for the transport of water and minerals from soil to leaves in vascular land plants.
______ 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.
cava/ Two large veins returning blood from the body and into the right atrium.

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. • The external covering of an organism. • A vertebrate storage organ for urine. • The fluid within the lymphatic system. • Deoxygenated: Has _____ levels of oxygen • A muscle or gland that responds to a stimulus. • ...

Biology Vocab 2015-09-06

Across

organic molecule used by living organisms
polymer composed by amino acids
sugar
substance formed by chemical reaction
molecule that makes up proteins
molecule composed of carbon hydrogen and oxygen includes sugars and starches
substance that decreases activation energy
energy input needed for a chemical reaction
polymer of nucleotides
chemical reaction in which water is made
reactants in a chemical reaction in which enzymes act
large
large carbon based molecule formed by monomers
chemical reaction in which water is broken
the substance dissolved in a given solution
nonpolar molecules includes fats and oils

Down

a substance that dissolves another to form a solution
many
carbohydrates monomer
in which substances change into another
attraction of atoms that makes up a chemical substance
molecule subunit of a polymer
protein that catalyzes chemical reactions
substance that is changed by a chemical reaction
monomer that forms DNA
one
enzyme

27 Clues: one • many • sugar • large • enzyme • carbohydrates monomer • polymer of nucleotides • monomer that forms DNA • molecule subunit of a polymer • polymer composed by amino acids • molecule that makes up proteins • substance formed by chemical reaction • in which substances change into another • chemical reaction in which water is made • organic molecule used by living organisms • ...

biology today 2015-02-10

Across

chklkhdhuhsbdskdn
wsjhdsjddnd
dsffgyhgjgj
dfsghh
abcdghb
vdfghhfjh
ddbjhljfdfjdlmd
hdjlkdsidhbhds
vksdlsdjudjsd
sndklklhhjnndd
edfrfeejhsdgka

Down

dcbkjgskbdlsd
ssdfggfgfgg
cdfghghjhj
vjksdlksjd;ls
cshgdsdlsd
vjshdkjsdhldjlkd
skagsl;dkjcn
savsajsjskss
vdhkjnlkml;
bjwgdusgdihkl
vskhdlhioenfcf;dk'd
vfghhhhhhjfds
bgjkdhklndkldhicnc

24 Clues: dfsghh • abcdghb • vdfghhfjh • cdfghghjhj • cshgdsdlsd • ssdfggfgfgg • wsjhdsjddnd • dsffgyhgjgj • vdhkjnlkml; • skagsl;dkjcn • savsajsjskss • dcbkjgskbdlsd • vjksdlksjd;ls • bjwgdusgdihkl • vksdlsdjudjsd • vfghhhhhhjfds • hdjlkdsidhbhds • sndklklhhjnndd • edfrfeejhsdgka • ddbjhljfdfjdlmd • vjshdkjsdhldjlkd • chklkhdhuhsbdskdn • bgjkdhklndkldhicnc • vskhdlhioenfcf;dk'd

Biology vocabulary 2015-04-13

Across

organism who is harmed from parasitism
occurs when a land has formerly been disturbed
the first species who colonize a non disturbed land
organism that eats a different type of organism
symbiotic relationship where one organism benefits and the other is not affected
an organisms position in a food chain or web
symbiotic relationship where both organisms benefit
symbiotic relationship where one organism benefits and the other is harmed
competition between members of the same species
a relationship where one organism eats a different type of organism
the whole mass of that certain organism at a trophic level

Down

a single pathway where energy and matter travel through an ecosystem
competition between members of two different species
organism who benefits from parasitism
when competing species get different adaptations
an organism that plays a very important role in its community
the numbers and different types of species that live in a community change through time
multiple pathways where energy and matter travel through an ecosystem
final stable stage
occurs when a land has never been colonized
organism that is eaten by a different type of organism

21 Clues: final stable stage • organism who benefits from parasitism • organism who is harmed from parasitism • occurs when a land has never been colonized • an organisms position in a food chain or web • occurs when a land has formerly been disturbed • organism that eats a different type of organism • competition between members of the same species • ...

Biology Vocab 2015-04-13

Across

the total mass of organisms at a trophic level
the final step in decomposition, they feed on any remaining organic matter
a combination of both herbivores and carnivores
species type of species that first colonizes a disturbed area
symbiotic relationship in which one species benefits while the other species is harmed
species that consumes another in a predator-prey relationship
the role of a species in its specific ecosystem
species that is harmed in a parasitic relationship
change in the numbers and types of species that live in a community that occurs in an area that has never before been colonized
relationship between organisms of the same species that strive for the same resources in the same place
consume the soft tissues of dead animals
species that plays an especially important role in its community so that major changes in its numbers affect the populations of many other species in the community
changes through time in the numbers and types of species that make up the community of an ecosystem
change in the numbers and types of species that live in a community that occurs in an area that was previously colonized but has been disturbed
type of symbiotic relationship in which both species benefit
symbiotic relationship in which one species benefits while the other species is not affected
competition relationship between organisms of different species that strive for the same resources in the same place
organisms that use energy from sunlight to make food by photosynthesis, includes plants, algae and certain bacteria
a major branch of biology that is the study of how living things interact with each other and their environment
species that is consumed by another in a predator-prey relationship
represents multiple pathways
the dead leaves, animal fleeces, and other organic debris

Down

living aspect of the environment
break down the wastes and other remains of organisms
use energy from chemical compounds to make food by chemosynthesis
evolution of different adaptations in competing species, which allows them to live in the same area without competing
When two species compete for the same food and other resources in the environment
relationship in which members of one species consume members of another species
the feeding positions in a food chain or food web
final stable stage of ecological succession that may be reached in an undisturbed community
organisms that consume detritus
species that benefits in a parasitic relationship
can sums animals, ex: lions, polar bears, and Hawks
a single pathway through which energy and matter flow through a ecosystem
factors of an environment that aren't living
organisms consume producers such as plant or algae
the physical environment to which a species and adapts and also lived

37 Clues: represents multiple pathways • organisms that consume detritus • living aspect of the environment • consume the soft tissues of dead animals • factors of an environment that aren't living • the total mass of organisms at a trophic level • a combination of both herbivores and carnivores • the role of a species in its specific ecosystem • ...

For Biology 2021-10-03

Across

Composed of 1 glycerol and 3 fatty acids.
Double bonds. (good)
Large organic molecules.
No double bonds. (bad)
Two sugar unit.
Also called "condensation reaction".
Not soluble in water.
Made up of small building block called "monomer".
Amino acids bonded together by peptide bonds.

Down

Composed of or more subunits.
One sugar unit.
Include phosphate group,pentose sugar and nitrogenous bases.
Composed of long chains of nucleotides linked by dehydration synthesis.
Many sugar units.
Has two examples called alpha helix and beta pleated sheet.
Small sugar molecules to large sugar molecules.
Separates monomers by adding water.
Has two kinds saturated and unsaturated.
Has 4 electrons in outer shell.
They are proteins.

20 Clues: One sugar unit. • Two sugar unit. • Many sugar units. • They are proteins. • Double bonds. (good) • Not soluble in water. • No double bonds. (bad) • Large organic molecules. • Composed of or more subunits. • Has 4 electrons in outer shell. • Separates monomers by adding water. • Also called "condensation reaction". • Has two kinds saturated and unsaturated. • ...

Biology-crossword 2021-09-21

Across

organelle that is the site of ATP (energy) production, (converts glucose into ATP)
An organelle found only in plant and algae cell, site of photosynthesis occurs
organism that obtains energy by eating animals
reactions of photosynthesis that use energy from light to produce ATP and NADPH, also produces O2
Only 10% of the energy in one trophic level gets passed onto the next trophic level
A flattened membrane sac inside the chloroplast, used to convert light energy into chemical energy, site of the light reactions
uses the high-energy electrons from the Krebs cycle to convert ADP into ATP, takes place in the mitochondria, produces the most ATP of any of the processes (34 ATP)
organism that obtains energy from the foods it consumes; also called a consumer
electron carrier that provides high-energy electrons for photosynthesis
the breakdown of glucose by enzymes, releasing energy and pyruvate, 1st step in cellular respiration, takes place in the cytoplasm
The fluid of the chloroplast surrounding the thylakoid membrane; involved in the synthesis of organic molecules from carbon dioxide and water (Calvin/Dark reaction)
main energy source that cells use for most of their work, made up of adenosine, ribose and 3 phosphates
organism that eats dead organic matter
stacks of thylakoids
Organisms that make their own food
organism that breaks down and obtains energy from dead organic matter

Down

An organism that eats only plants
process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches steps include: capture light, light dependent reactions, calvin cycle.
An organism that eats other organisms
one of the carrier molecules that transfers high-energy electrons from chlorophyll to other molecules
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen, takes place in plants and animals, happens in 3 processes, steps include gylcolosis, krebs cycle and electron transport chain
the passage of energy through the components of the ecosystem
reactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds such as sugars, also called dark reaction, no light needed, creates NADP+ and ADP, takes place in the stroma
a cluster composed of hundreds of chlorophyll molecules and accessory pigments used to harvest light molecules for photosynthesis
green pigment in plants that absorbs light energy used to carry out photosynthesis, found in the thylakoid of the chloroplast
An animal that eats both plants and animals
a lower-energy molecule that can be converted into ATP by the addition of a phosphate group, made up of adenosine, ribose and 2 phosphates

27 Clues: stacks of thylakoids • An organism that eats only plants • Organisms that make their own food • An organism that eats other organisms • organism that eats dead organic matter • An animal that eats both plants and animals • organism that obtains energy by eating animals • the passage of energy through the components of the ecosystem • ...

Biology Vocabulary 2021-09-27

Across

Positively Charged
the weighted average mass of all the natural isotopes of that element
gain or lose electrons
same numbers of protons; different number of neutrons.
made up of two or more atoms that are bonded together
what gets dissolved
Negatively Charged
made of two hydrogen atoms and one oxygen atom that are held together by covalent bonds
share electrons
an atom with a charge
substance made of two or more different elements bonded together

Down

substance made of one type of atoms
shows the location of all electrons in an atom
sum of the protons and neutrons in the nucleus
attracted
No charge
what does dissolving
uniform mixture
polar molecule
other types of molecules
Number The number of protons in the nucleus

21 Clues: attracted • No charge • polar molecule • uniform mixture • share electrons • Positively Charged • Negatively Charged • what gets dissolved • what does dissolving • an atom with a charge • gain or lose electrons • other types of molecules • substance made of one type of atoms • Number The number of protons in the nucleus • shows the location of all electrons in an atom • ...

Biology Vocab 2021-09-28

Across

Autotrophs and heterotrophs are two types.
Produces the most ATP of any of the processes of cellular respiration. Series of electron transporters.
Absorption of light and water, and produces glucose (food) and oxygen. Only in plants.
Releases energy by breaking down food molecules.
Cycle that explains how a carbon is emitted and reused.
Includes carnivores, herbivores, omnivores, detritivores, and decomposers.
Process of joining smaller units together.
The four spheres of the Earth, including the atmosphere, hydrosphere, biosphere, and the geosphere.
Large units

Down

Converts chemical energy stored in food into compounds that are more usable for the cell.
Smaller units.
Metabolic process that produces chemical changes in organic substrates through the action of enzymes.
First step in the breakdown of glucose to extract energy for cellular metabolism. Takes place in the cytoplasm.
Cycle that goes through condensation, transpiration, precipitation, evaporation, and percolation.
Basic building blocks of all living things. Eukaryotes and prokaryotes are two types.
This cycle shows how phosphorus is used and produced.
This cycle shows how nitrogen moves through the earth and the atmosphere, and the different types of nitrogen and where they are found.
One of the principal chemical compounds the cells use to store and release energy.
Breaks down pyruvate into CO2. Takes place in the mitochondria.
Organelle where photosynthesis takes place. Only found in plants.

20 Clues: Large units • Smaller units. • Autotrophs and heterotrophs are two types. • Process of joining smaller units together. • Releases energy by breaking down food molecules. • This cycle shows how phosphorus is used and produced. • Cycle that explains how a carbon is emitted and reused. • Breaks down pyruvate into CO2. Takes place in the mitochondria. • ...

Biology Vocabulary 2021-09-30

Across

eats only plants
eats dead matter
captures energy from the sun and turns it into sugar for the plant
stack of thylakoids
breaks down organic matter
eats plants and meats
series of electron transporters
doesn't need oxygen
releases energy by breaking down food
automatically make their own food using energy from the sun

Down

power house of the cell
uses light and creates oxygen for humans
site of dark dependent reaction
site of light dependent reactions
Principle chemical compound that cells use to store and release energy
eats only meat
requires oxygen
known as calvin cycle
is in the cytoplasm
produces 2 ATP and 6 NaDh
the envelope of gases surrounding planets

21 Clues: eats only meat • requires oxygen • eats only plants • eats dead matter • stack of thylakoids • is in the cytoplasm • doesn't need oxygen • known as calvin cycle • eats plants and meats • power house of the cell • produces 2 ATP and 6 NaDh • breaks down organic matter • site of dark dependent reaction • series of electron transporters • site of light dependent reactions • ...

Biology Crossword 2021-09-29

Across

substances which react with acids
a group of organs that work together to perform one or more functions.
the basic unit of a chemical element.
a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
a particle smaller than an atom (e.g., a neutron) or a cluster of such particles (e.g., an alpha particle).
able to dissolve other substances.
relating to or denoting compounds which are not organic (broadly, compounds not containing carbon).
a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
an individual animal, plant, or single-celled life form.
The smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.

Down

all the inhabitants of a particular town, area, or country.
the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
a biological community of interacting organisms and their physical environment.
the action or process of adhering to a surface or object.
the sticking together of particles of the same substance.
a group of people living in the same place or having a particular characteristic in common.
(of food or farming methods) produced or involving production without the use of chemical fertilizers, pesticides, or other artificial agents.
A group of cells that have similar structure that function together as a unit.

20 Clues: substances which react with acids • able to dissolve other substances. • the basic unit of a chemical element. • an individual animal, plant, or single-celled life form. • the action or process of adhering to a surface or object. • the sticking together of particles of the same substance. • all the inhabitants of a particular town, area, or country. • ...

Advanced Biology 2021-09-14

Across

packaging and shipping
cell structure
photosythesis+storage
movement(+/-)
Lipid factory
forms centrosomes and cilia
Phospholipid Bilayer
Protein factory
assembles ribosomes
DNA
storage of starch

Down

detoxification
Produces ATP
prokaryote cell wall substance
flattened sacs in the chloroplast
stores H20+disolved substances
photosythesis
Protein synthesis
digestive organelle+apoptosis
made of cellulose
reproduction(+/-)
houses genetic material

22 Clues: DNA • Produces ATP • photosythesis • movement(+/-) • Lipid factory • detoxification • cell structure • Protein factory • Protein synthesis • made of cellulose • reproduction(+/-) • storage of starch • assembles ribosomes • Phospholipid Bilayer • photosythesis+storage • packaging and shipping • houses genetic material • forms centrosomes and cilia • digestive organelle+apoptosis • ...

Biology 1 2021-02-08

Across

The process where a cell develops certain features so that it is specialised to carry out a certain function.
The seventh stage of meiosis where the chromatids are pulled apart to opposite poles of the cell.
The division of a cell to produce two genetically identical daughter cells.
A type of epithelium which has many fine protrusions known as cilia and is specialised for sweeping dirt and debris out of the body.
The fifth stage of meiosis where the nuclear envelope breaks down, the spindle fibres form and the chromosomes condense.
The chromosomes produced by the crossing over and exchange of genes during metaphase 1.
The production of genetically identical offspring from one parent through the process of mitosis.
Cells with only one copy of each chromosome.
A type of cell division used to produce gametes that produces four genetically different haploid daughter cells from one parent cell.
A type of white blood cell with a multi-lobed nucleus which is specialised to engulf and destroy pathogens.

Down

The third stage of meiosis where the chromosomes that make up the bivalent are pulled apart to the poles of the cell by the spindle fibres.
The checkpoint occurring at the end of metaphase during mitosis which ensures all of the chromosomes have correctly attached to the spindle fibres and aligned at the metaphase plate.
An organelle found in the head of sperm cells which is specialised to digest the outer coating of an egg cell during fertilisation.
A type of plant tissue which contains stem cells and is usually found in the growing regions of the plant.
The final stage of mitosis where new nuclear envelopes begin to form around the separated sets of chromosomes.
A pair of homologous chromosomes.
A type of cell usually found in pairs that is specialised to control the opening and closing of stomata.
A type of cell found in the leaves of plants which contains many chloroplasts and is specialised to carry out photosynthesis.
The division of the cytoplasm at the end of mitosis to produce two new daughter cells.
A type of cell that is found in the roots of cells which has a large surface area and is specialised for the uptake of water and ions from the soil.
The fourth stage of meiosis where the nuclear envelopes reform around the separated chromosomes and they uncoil.
A tissue found in plants which is specialised for the transport of assimilates from their site of production to different parts of the plant where they are needed.
A type of stem cell which has the ability to differentiate into any cell type within a certain tissue in the body.

23 Clues: A pair of homologous chromosomes. • Cells with only one copy of each chromosome. • The division of a cell to produce two genetically identical daughter cells. • The division of the cytoplasm at the end of mitosis to produce two new daughter cells. • The chromosomes produced by the crossing over and exchange of genes during metaphase 1. • ...

Biology 1 2021-02-08

Across

Organelles found in plants and algae that are the site of photosynthesis.
A structure found inside the nucleus that contains proteins and RNA and is involved in synthesizing new ribosomes.
A membrane-bound organelle that is involved in the synthesis and packaging of proteins.
Using multiple different stains to distinguish different parts of a specimen.
The ability to distinguish two different points in a specimen.
Structures found in the cytoplasm made of microtubules that produce the spindle
Organelles found either free in the cytoplasm or membrane bound that are
A mesh of protein fibres found in the cytoplasm of eukaryotic cells used for structural support and intracellular transport.
How much bigger an image appears compared to the original object calculated using the following formula:
A type of microscopy that uses lasers to scan a specimen point by point to produce an image.
during mitosis.
A type of cell that does not contain any membrane bound organelles or a nucleus.
Membrane-bound vesicles found in the cytoplasm that contain a hydrolytic enzyme called lysozyme.

Down

A semipermeable lipid bilayer studded with proteins that surrounds the cell and many organelles.
A type of microscope that passes a beam of electrons through a sample to produce an image
An organelle found in eukaryotic cells that is involved in the modification and packaging of proteins
An organelle found in eukaryotic cells that is the site of aerobic respiration.
in the synthesis of proteins.
A type of microscope that passes a beam of electrons over the surface of a specimen to produce an image.
A double membrane that surrounds the nucleus.
Small hair-like structures that project from the surface of cells.
A type of microscope that uses a series of lenses to magnify the visible light reflecting off a specimen.
A membrane-bound organelle involved in lipid synthesis.
A whip-like structure found on bacterial cells that is used for cell movement.
An organelle found in eukaryotic cells that stores the genetic information of the cell as chromosomes and is surrounded by a membrane called the nuclear envelope.
A type of cell that contains a nucleus along with membrane bound organelles.

26 Clues: during mitosis. • in the synthesis of proteins. • A double membrane that surrounds the nucleus. • A membrane-bound organelle involved in lipid synthesis. • The ability to distinguish two different points in a specimen. • Small hair-like structures that project from the surface of cells. • Organelles found either free in the cytoplasm or membrane bound that are • ...

biology crossword 2021-03-03

Across

rod shaped.
makes cell wall rigid.
salt lover.
recives energy for the sun.
exchange between two joined cells.
grows in the warmth.
reddish pink color.
contains spores.
transfer of genetic material.
allows bacterium to attach to others.
grapelike clusters.
grows in chains.

Down

produces its own nutrients.
produces methane gas.
purple stain.
gets energy from chemicals.
no nucleus.
has a fuzzy coat.
spiral shaped.
transfer of bacterial genes.
resists harsh conditions.
obtains organic food molecules.
circular DNA molecule.
inhibits growth of microorganisims.
sphere shaped.

25 Clues: rod shaped. • salt lover. • no nucleus. • purple stain. • spiral shaped. • sphere shaped. • contains spores. • grows in chains. • has a fuzzy coat. • reddish pink color. • grapelike clusters. • grows in the warmth. • produces methane gas. • makes cell wall rigid. • circular DNA molecule. • resists harsh conditions. • produces its own nutrients. • gets energy from chemicals. • ...

CHRISTMAS BIOLOGY! 2020-12-16

Across

amylase breaks down starch into this
a festive jolly man!
a green pigment found in the chloroplasts of plant cells
band that wrote the song Last Christmas!
Santa rides in this
the process by which CO2 moves into a plant for photosynthesis and O2 moves out
artery that carries oxygenated blood from the heart
- use this solution to test for glucose
White and falls from the sky!
nutrient required for growth and repair
part of a cell that contains genetic information
transport the movement of molecules through a cell membrane against the concentration gradient
an animal also known as a caribou
the process by which plants make their own food!
How many Santas do you see in the room?
condition caused by a lack of vitamin D in the diet
typical at Christmas - they bang when you pull them and normally contain a hat
an eskimo's home
fats are composed of fatty acids and ______?
- These have a very specific shape.
a group of similar cells that work together to perform a shared function
santa comes down this!
carbohydrates are made up of oxygen, hydrogen and which other element?
the largest lizard in the world!
Hedgehogs love playing chess with these little shelled creatures!
- an organ of a plant
tiny airsac in the lungs
a flowering plant that has broad leaves and branches veins
- term to describe a cell that has taken up water, so that the cell contents are pressing outwards onto the cell wall
a famous monster lives here!
a classic Christmas film starring macaulay culkin
hangs above your fireplace at Christmas
- Rudolph loves eating this orange snack
a snow storm!
circular cake typical in Spain at Christmas!
these royal dudes bring presents on the 6th January
you put these on Christmas trees
DNA stands for this!

Down

It's snowing! Let's build a_________!
the largest animal to have ever lived on Earth!
group of arthropods that include spiders and scorpions
one of the raw materials of photosynthesis
use this to test for starch
if you have been good, you might get this on Christmas Day!
this little person helps Santa
found in a cell and makes protein
a traditional Scottish dance typical on New Years Eve!
a key used to identify species of organisms
on the twelve days of Christmas three of these are given!
part of the cell that controls what enters and exits
a dog foot!
- It's that time of year!
these ions are needed by plants to make chlorophyll
largest bone in your body
when a cell loses water and the cell membrane pulls away from the cell wall, it is known as what? (adjective)
plant cells have these but animal cells don't!
a length of DNA that codes for a protein
hair-like structures that push mucus up the trachea
the very deepest part of all the oceans on Earth
the base pairs of DNA (in alphabetical order!)
where Santa lives!
Canis Lupus is the binomial name for this mammal
the name of the cable cars in the picture!
gas needed for aerobic respiration
the sound a pig makes!
mineral ions needed to make protein
if the substrate is the key, the enzyme is the_____?
The movement of water through a cell membrane...
protective outer part of an arthropod
santa carries presents in this!
plants need this gas for photosynthesis
an element found in protein but not carbohydrates or fats
- group of invertebrates that include insects.
fishy mcfishface belongs to this family

74 Clues: a dog foot! • a snow storm! • an eskimo's home • where Santa lives! • Santa rides in this • a festive jolly man! • DNA stands for this! • - an organ of a plant • santa comes down this! • the sound a pig makes! • tiny airsac in the lungs • - It's that time of year! • largest bone in your body • use this to test for starch • a famous monster lives here! • White and falls from the sky! • ...

AS BIOLOGY 2020-12-17

Across

Animal cells contain membrane bound organelles. These cells are also know as what?
DNA bound to histone protein is called ____________.
These bonds are individually very weak.
This is a disaccharide consisting of fructose and glucose.
This reagent is used to test for the presence of proteins.
Non-competitive inhibitors bind to the ___________ site of an enzyme.
In graphical analysis, the stage will show an increase in total cell count.
The bonds formed by a condensation reaction between two amino acids.
What group replaces one of the three fatty acids in a triglyceride, to make the molecule a phospholipid?
What test would you perform to test for the presence of lipid?
What is the colour of the precipitate formed for a positive reducing sugar test?

Down

In which organelle, in the cell, does aerobic respiration occur?
Tertiary structure proteins have hydrogen bonds, disulfide bridges and __________ bonds.
Cancer is the result of _________________ cell division.
What reaction is used in digestion. Resulting in the breaking down of large insoluble molecules into small soluble molecules?
The centre of the cell is known as what?
The enzyme found within HIV, which is important for its replication, is called reverse ______________.
What group consists of an oxygen bonded to a hydrogen?
When the a chemical bond involves the sharing of a pair of electrons. What is the bond called?
Glucose is an example of a ___________ sugar.
In mitosis, after DNA replication, chromosomes consist of two sister _________.
A triplet within a stand of mRNA can be called a ______________.
In the stage, chromosomes condense, the nuclear pore disintegrates.
Mitosis results in two genetically ____________ daughter cells.
To test for a non-reducing sugar you must first add hydrochloric acid to your sample and _______ .

25 Clues: These bonds are individually very weak. • The centre of the cell is known as what? • Glucose is an example of a ___________ sugar. • DNA bound to histone protein is called ____________. • What group consists of an oxygen bonded to a hydrogen? • Cancer is the result of _________________ cell division. • This is a disaccharide consisting of fructose and glucose. • ...

Molecular Biology 2021-03-22

Across

Down

38 Clues: e • v • s • f • a • d • x • h • z • y • g • j • i • m • k • n • b • c • p • q • t • r • o • u • w • l • af • ae • aa • aj • ab • ak • ai • ad • al • ah • ag • ac

Biology Terms 2021-03-20

Across

Process in which pants make food
Made of a solute and solvent
When food is broken down
A group of similar cells
Any living thing
Powerhouse of the cell
Basic unit of life
Instrument used to magnify

Down

Required to make new cells
A type of diffusion
A catalyst
A gas required for respiration
Movement of molecules
Multi-cellular organism
Complex sugar
When cells are no longer firm
Enzyme in our saliva
Controls what the cell does
A single cell organism
made up of different tissues

20 Clues: A catalyst • Complex sugar • Any living thing • Basic unit of life • A type of diffusion • Enzyme in our saliva • Movement of molecules • Powerhouse of the cell • A single cell organism • Multi-cellular organism • When food is broken down • A group of similar cells • Required to make new cells • Instrument used to magnify • Controls what the cell does • Made of a solute and solvent • ...

Biology crossword 2021-10-18

Across

family tree or chart that shows relationship of traits in a family
the process in which a cell divides into 2 new daughter cells
production of eggs
tumour that can invade surrounding cells
chromatin condenses into chromosomes, centrioles separate, spindle fibers form, nuclear envelope breaks down
causes genetic recombination
tumor that can not invade surrounding cells
process in which cells divide into new daughter cells
cell division by which gametes are made with half the number of chromosomes
division of cytoplasm

Down

asexual reproduction that is used in bacteria
asexual or sexual reproduction used in jellyfish
sister chromatids separate into individual chromosomes and are moved apart
in between period of growth, longest stage of the cell cycle
difference in genetic makeup of individuals in a population
chromosomes gather at opposite ends o the cell and lose their distinct shapes, 2 new nuclear envelopes form, nucleus becomes visible in each daughter cell
process of making sperm
pair of chromosomes (maternal and paternal) that are similar in shape and size
chromosomes line up across the center, each chromosome is connected to a spindle fiber at the centromere
fusion of a sperm cell and an egg cell to make a zygote

20 Clues: production of eggs • division of cytoplasm • process of making sperm • causes genetic recombination • tumour that can invade surrounding cells • tumor that can not invade surrounding cells • asexual reproduction that is used in bacteria • asexual or sexual reproduction used in jellyfish • process in which cells divide into new daughter cells • ...

Biology QS 2021-11-18

Across

Drugs which help to prevent you from getting a disease are called...
Chrosome mutation is caused by ......'s syndrome.
What disease inherited both recessive alleles for defective hemoglobin?
At certain points in the lymphatic vessels there are swellings called..
Fats molecules containing 3 molecules of fatty acids and 1 large molecule of?
What structure is made up of a group of tissues, and working together to perform a specific function?
Movement of the ribcage and diaphragm results in volume and pressure changes in the thorax, leading to ……………… of the lungs
A permanent increase in size is one of living organisms’ characteristics known as?
Increase in temperature causing the diffusion rate to?
Enzyme reactions that split large molecules into smaller ones are called ___________ reaction?
The muscle fibres of the arterioles contract, they make the vessels narrower and restrict blood flow, what is this process called…
true When all offspring have the same characteristics as the parents, this is called what kind of breeding?
What gases bind permanently with hemoglobin in red blood cells that reduce the smoker’s ability to provide oxygen to respiring cells?

Down

A thin layer of cytoplasm around the outside of the cell is called as?
When a disease spreads globally, it is called?
Butterflies have two pairs of wings, compound eyes, and three pairs of jointed legs, these characteristics are common in which class of arthropods?
The fusion of gamete nuclei is called?
A biological catalyst that is used to increase the rate of chemical reaction is a protein which is called as?
A thread of DNA,made up of a string of genes, is called?
The water travels up the xylem vessels in vascular bundles and this flow of water is called the...
High doses of alcohol can cause the liver cells to form too many fat droplets, leading to a diseases called?
An organism that gets its energy from dead or waste organic material is called?
Tears contain an enzyme called...
Active transport uses energy so that the particles can move through the cell membrane. Where does this energy come from?
culture The two methods of artificial propagation are by taking cuttings and by…
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….
To test whether starch is present, we use a solution called as?

27 Clues: Tears contain an enzyme called... • The fusion of gamete nuclei is called? • When a disease spreads globally, it is called? • Chrosome mutation is caused by ......'s syndrome. • Increase in temperature causing the diffusion rate to? • A thread of DNA,made up of a string of genes, is called? • To test whether starch is present, we use a solution called as? • ...

biology<3 2022-03-10

Across

component of arthropods' exoskeletons and bodies of fungi
the state of being joined together
a process in which one substance permeates another
breakdown in living organisms of more complex substances into simpler ones together with release of energy
a threadlike strand of DNA that carries genes
the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes
the act of dispersing something
the total amount of living matter in a given unit area
the region of the body between the thorax and the pelvis
any of green pigments found in photosynthetic organisms
organisms interacting with their physical environment
pathological breakdown of cells by the destruction of their outer membrane
the branch of biology that studies plants
marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
any of the forms of a gene that can occupy the same locus
a chamber connected to other chambers or passageways
a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
the substance inside a cell, not including the nucleus

Down

the spatial property of being crowded together
substance that initiates or accelerates a chemical reaction
the outer granule-free layer of cytoplasm
embryonic leaf in seed-bearing plants
a specific sequence of three adjacent nucleotides on a strand of DNA or RNA that specifies the genetic code information for synthesizing a particular amino acid
the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy
when one organism benefits from another without damaging it
a major division of the vertebrate brain
a substance used to kill microorganisms and cure infections
anterior part of the brain consisting of two hemispheres
the process by which the body breaks down food
a polysaccharide that is the chief constituent of all plant tissues and fibers
a digestive juice secreted by the liver
the environment as it relates to living organisms
organelle in which photosynthesis takes place
the branch of biology that studies the structure and function of cells
production of a chemical compound by a living organism
the state of sticking together
any substance that stimulates an immune response in the body

37 Clues: the state of sticking together • the act of dispersing something • the state of being joined together • embryonic leaf in seed-bearing plants • a digestive juice secreted by the liver • a major division of the vertebrate brain • the outer granule-free layer of cytoplasm • the branch of biology that studies plants • a threadlike strand of DNA that carries genes • ...

biology crossword 2022-03-10

Across

any substance whose presence in the tissues or cells of animals or plants colors them.
the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
A group of compounds that pass electron from one to another via redox reactions
A process in which glucose is partially broken down by cells in enzyme reactions that do not need oxygen
the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body
the sum total of the physical and chemical processes in an organism
living, active, or occurring only in the presence of oxygen
plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process
the main type of sugar in the blood and is the major source of energy for the body's cells
a sequence of reactions in the living organism in which oxidation of acetic acid or acetyl equivalent provides energy for storage in phosphate bonds
membrane-bound cell organelles

Down

an organic compound such as sugar or starch, and is used to store energy
the chemical reactions in the body's cells that change food into energy
a molecule is the attachment of a phosphoryl group
pertaining to, or resembling a cell
living, active, occurring, or existing in the absence of free oxygen
a nucleotide derived from ATP with the liberation
energy molecule found in cells of all living things
the gelatinous liquid that fills the inside of a cell
an anaerobic process in which energy can be released from glucose even though oxygen is not available

20 Clues: membrane-bound cell organelles • pertaining to, or resembling a cell • a nucleotide derived from ATP with the liberation • a molecule is the attachment of a phosphoryl group • energy molecule found in cells of all living things • the gelatinous liquid that fills the inside of a cell • living, active, or occurring only in the presence of oxygen • ...

Cell Biology 2022-03-31

Across

An organelle that makes proteins
Holds water and juice in plant cells
The organelle in the cell that holds DNA
The jellylike materials inside the cell
The first person to look at cork cells under microscope
A folded membrane inside the cell with ribosomes on it
A type of cell that contains a nucleus
A type of cell without a nucleus
The flexible boundary around all cells
The energy source of photosynthesis
A group of organs working together to perform a function
Small functional structures inside the cells
First person to look at small living organisms using a microscope

Down

Lipid factory of the cell
Six carbon compounds produced during photosynthesis
Cell boundary found in plants cells only
A group of tissues working together to perform a function
A group of cells working together to perform a function
Organisms that cannot make their own food
The only type of sugar cells can use for energy
A gas produced as a result of photosynthesis
A pigment used by plants to absorb mostly red and violet wavelengths
Fats, oils, and waxes
A gas needed for photosynthesis to occur
Organelles that with enzyme that destroy cell's garbage
Organisms that make their own food

26 Clues: Fats, oils, and waxes • Lipid factory of the cell • An organelle that makes proteins • A type of cell without a nucleus • Organisms that make their own food • The energy source of photosynthesis • Holds water and juice in plant cells • A type of cell that contains a nucleus • The flexible boundary around all cells • The jellylike materials inside the cell • ...

Biology crossword 2022-04-12

Across

this is the process by which the population of living organisms adapt and change depends on their environment.
any living thing that is made up of one or more cells
this is an animal behaviour usually in response to some type external stimulus in order to survive.
this is known as the difference between two living organisms of a species.
something that could be changed or controlled during an experiment
it's how a new type of a living organism such as plants and animal species is created, this happens when groups in a species become isolated and diverge
represents the incidence of a gene variation in a population.
when a living thing developers and increases in physical shape and size
when a DNA gene is damaged or it could be changed in any way to alter the genetic message thats carried by that gene
tool thats allows the user to determine the identity of items in the natural world
it's a procedure used to answer a scientific question.
this is when different organisms each evolve similar traits to adapt similar necessities.
is an explanation that is widely accepted because it is supported by evidence after finishing a scientific experiment
when an ancient organism leaves traces of its shape of something or fossils can be the preserved remains.
its a variable that you change or control during a scientific experiment
when living organisms reproduce successfully and also reflects how well an organism is adapted to its environment
its a variable that you don’t change or do anything to during scientific experiment
a system of moral principles, this is how people make decisions and lead their behaviours

Down

it’s the colour that animals have to blend in with their environment to help them survive from predators and to help them hunt for food.
type of evolution in which organisms are thought to have similar traits to adapt similar necessities
changes that happen at the molecular level in organisms over a period of time.
it's the heritable condition of having more than two complete sets of chromosomes. This is more common among plants.
the process when different life organisms change or grow from earlier forms or from past organisms.
the evolved resemblance of a species acting as ——— to living organisms or non living model.
its when individuals with traits on one side of the phenotypic range survive better or reproduce more than the the other ones on the the other side.
is collection and recording data thats happening and could be during and experiment
is something that you react to, such as your body reacting to a medicine that you took.
it's something that is steady and the same, for example living things maintain body conditions like temp to be able to survive.
its an educated guess and this guess is testable
a chemical name for the molecule that Carrie’s genetic instructions in all living things
factors of living things in their environment such as plants, fish and algae
this is when two populations are separated by rivers, mountains, and bodies of water
it's a condition in which a gene pool is constant, not changing in frequency from generation to generation.
this is a successful transfer of genetic material from one population to another.
its the information that is gathered during an experiment
it’s a mechanism of evolution in which the change in the frequency of an existing gene variant in a population because of any chance
is when species become dying, giving the opportunities for new species to emerge
the study of organisms
this is how much genetic diversity is found within a population of living organisms or species.
the maxim view you see through a microscope
basic physical and functional unit of heredity

41 Clues: the study of organisms • the maxim view you see through a microscope • basic physical and functional unit of heredity • its an educated guess and this guess is testable • any living thing that is made up of one or more cells • it's a procedure used to answer a scientific question. • its the information that is gathered during an experiment • ...

biology bonus 2022-01-03

Across

What is the microscopic opening in the leaves of plants that allows for gas exchange and water loss?
What is a disorder in which body cells lose the ability to control cell division?
DNA makes up genes which make up...
What happens during the G1 phase of the cell cycle?
The way an organism looks or the trait the organism possesses?
What are the cells that can become more than one type of cell?
What makes up the sides of the DNA molecules?
When all organisms have died?
All living things are made of...
what increases genetic variance when natural selection selects for tow more extreme phenotypes when each have specific advantages?
What kind of cells does mitosis produces?
What is it called when you group thing into levels based upon similarities?

Down

What are the preserved remains or impression of an organism?
What is the resulting cell called after fertilization?
What controls all function of cells
What occurs at the same time as telophase?
When cancer cells spread to new parts of the body?
The delivery of characteristics from parent to offspring?
What type of mutation allow one or more bases to be inserted into a DNA sequence?
When both alleles are expressed but neither one is dominant over the other?

20 Clues: When all organisms have died? • All living things are made of... • What controls all function of cells • DNA makes up genes which make up... • What kind of cells does mitosis produces? • What occurs at the same time as telophase? • What makes up the sides of the DNA molecules? • When cancer cells spread to new parts of the body? • ...

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