radiation biology Crossword Puzzles

Biology Vocabulary 2024-09-05

Across

a graph that represents a situation where the population density of an organism increases slowly at first and accelerating to increasing rapidly
an organism that creates its own food(an autotroph)
a representation of the flow of energy using arrows to show how nutrients and energy is transferred
the position of an organism in a food chain(producer, primary consumer, etc.)
a relationship between two organisms in which one organism is benefited while the other is neither harmed nor benefited
an organism that consumes other organisms for nutrients and energy
an organism that consumes other organisms for nutrients and energy
the study of the relationships between living organisms and their environments
the maximum amount of organisms of a species that can exist in an ecosystem without threatening other species in the ecosystem
a relationship between two organisms in which both benefit
any type of close and long term relationship or interaction between two organisms of different species
the process by which an ecosystem undergoes a disturbance and restarts the cycle starting with soil until reaching a climax community
the unrestricted growth of a population of organisms that occurs when resources are unlimited

Down

an ecosystems ability to maintain its usual cycles after damage was caused by a disturbance
an organism that creates its own food
a pattern where organisms are spread out in a fairly regular pattern
represents all the food chains in an ecosystem and usually has multiple organisms of each trophic level
a graph that represents a situation where the population density of an organism exponentially increases in a new environment
an organism that consumes only plants for nutrients and energy
a relationship between two organisms is which one benefits while harming the other
anything that affects the size of a population regardless of the density of the population
a relationship between two organisms where one organism(predator) preys on another(prey)
an interaction between organisms in which both require a certain resource that is in limited supply
the process by which an ecosystem begins without soil and with pioneer species and starts the cycle until reaching a climax community
a group of organisms of the same species in an area
an organism that decomposes or breaks down organic material for nutrients and energy

26 Clues: an organism that creates its own food • an organism that creates its own food(an autotroph) • a group of organisms of the same species in an area • a relationship between two organisms in which both benefit • an organism that consumes only plants for nutrients and energy • an organism that consumes other organisms for nutrients and energy • ...

Biology Vocabulary 2024-09-07

Across

an atom or molecule with a positive or negative electrical charge
chemical compound that does not contain carbon-hydrogen bonds
force that holds atoms or ions together to form molecules or other structures
substance containing carbon-based compounds, especially produced by or derived from living organisms
basic Building blocks of matter
group of interacting components that work together to perform a specific function
substance that dissolves other substances to create a solution
type of sugar that is the main source of energy for living organisms
something that has a lower solute concentration in comparison to another solution
cellular process that brings substances into a cell by engulfing them with the cell membrane

Down

any external solution that has the same solute concentration and water concentration compared to body fluids
natural movement of particles from an area of higher concentration to an area of lower concentration
organic compounds such as sugar or starch, used to store energy
fatty, waxy, or oily compounds that are soluble in organic solvents and insoluble in polar solvents such as water
biological process that moves large molecules and wastes out of a cell's cytoplasm and into the extracellular space
process by which an organism maintains a stable internal environment while adjusting external conditions
mixture of one or more solutes dissolved in a solvent
two or more atoms connected by chemical bonds
any external solution that has a high solute concentration and low water concentration compared to body fluids
a substance that dissolves into a solvent to create a solution

20 Clues: basic Building blocks of matter • two or more atoms connected by chemical bonds • mixture of one or more solutes dissolved in a solvent • chemical compound that does not contain carbon-hydrogen bonds • substance that dissolves other substances to create a solution • a substance that dissolves into a solvent to create a solution • ...

biology crossword 2025-05-16

Across

the set of organs and processes that remove waste products and excess substances from the body to maintain homeostasis
organisms that make their own food
the building blocks of the fat in our bodies and in the food we eat
a collection of organs and tissues that function to produce offspring
the division of a cell into two daughter cells with the same genetic material.
the molecule that carries genetic information
a natural or artificial reservoir that absorbs and stores more carbon than it releases
a cell or organism that has two complete sets of chromosomes
a cell or organism that has only one complete set of chromosomes
a cell division process in eukaryotes where a single cell divides into two genetically identical daughter cells
the directional growth of plant organs in response to gravity
a structure within a seed plant ovary that contains the female reproductive cells and develops into a seed after fertilization
an organism that cannot produce its own food and must eat other plants and/or animals to get energy
a complex network of specialized cells, called neurons, that work together to coordinate and control all bodily function
living or once living components of a community
the plant axis that bears buds and shoots with leaves and, at its basal end, roots
the specific region of an enzyme where a substrate binds and undergoes a chemical reaction
one of the two identical copies of a chromosome that are formed when a chromosome duplicates before cell division
the body's outermost layer, comprising the skin, hair, nails, and glands like sweat and oil glands
an organism that eats other plants or animals for energy and nutrients
protein structures, primarily made of microtubules, that are essential for cell division (both mitosis and meiosis) in eukaryotic cells
a protein that acts as a biological catalyst, accelerating chemical reactions within living organisms
a sequential series of events in a cell's life that leads to its division into two daughter cells

Down

A chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed to sunlight
a complex vascular tissue that transports water an
an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
the process of converting glucose into energy within cells, releasing carbon dioxide and water as byproducts
a double-membraned structure that surrounds and protects the nucleus in eukaryotic cells
the variety of life on Earth at all its levels, from genes to ecosystems
a network of glands and cells in the body that produce and release hormones directly into the bloodstream
A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases
The part of the pistil where pollen germinates
the directional growth of a plant or other organism in response to light
non-living factors present in an ecosystem
the surface an organism lives on or the molecule an enzyme acts upon to catalyze a chemical reaction
a network of organs and tissues that facilitates gas exchange, primarily the intake of oxygen and the expulsion of carbon dioxide
one of the two cells that result from the division of a single parent cell
molecules produced by living organisms and essential for one or more biological processes
a network of tubes that transport fluids within an organism
a small molecular subunit that can be combined with similar subunits to form larger molecules

40 Clues: organisms that make their own food • non-living factors present in an ecosystem • the molecule that carries genetic information • The part of the pistil where pollen germinates • living or once living components of a community • a complex vascular tissue that transports water an • a network of tubes that transport fluids within an organism • ...

Biology vocab 2025-05-19

Across

a highly contagious upper respiratory disease caused by the SARS-CoV-2 virus.
a specific sequence of DNA located on a chromosome. Contains the instructions to make a specific protein, creating an organism’s traits.
the three nucleotide sequence on a mRNA molecule that codes for one amino acid.
the place in which an organism lives out its life
specialized structure that carries out a specific cell function in different parts of the cell at the same time.
The ability of an organism to survive in its environment long enough to reproduce
a virus that attacks the immune system, specifically the white blood cells.
A substance used for destroying insects or other organisms. Overuse can kill beneficial organisms in the soil. Overuse can runoff into rivers and streams killing beneficial organisms in the water.
microscopic, unicellular organism without a nucleus or other membrane-bound organelles.

Down

plant structure that develops into a seed when fertilized.
body system that functions as a communication system and includes the pituitary gland, the thyroid gland, the parathyroid gland, the thymus gland, the pineal gland, the pancreas, the adrenal glands, the ovaries, and the testes.
the central membrane-bound organelle that manages cellular functions and contains DNA.
one of a pair of cells that function in the opening and closing of a plant’s stomata by changes in their shape.
the mRNA carries genetic information to the ribosomes. The Ribosomes use this information to form proteins. We use a codon chart to help us figure out what proteins are made.
nonliving parts of the environment (i.e. temperature, soil, light, moisture, air currents)
a specific characteristic of an organism. Such as eye color, height, etc.
the slow, gradual genetic change in an entire population of organisms over time…a looooooooong time!
a change in the nucleotide sequence of an organism’s DNA. May happen due to an error during replication or exposure to damaging agents.
an organism that is infected with or fed upon by a parasitic or pathogenic organism.
a taxonomic group that includes multiple species that are closely related

20 Clues: the place in which an organism lives out its life • plant structure that develops into a seed when fertilized. • a taxonomic group that includes multiple species that are closely related • a specific characteristic of an organism. Such as eye color, height, etc. • a virus that attacks the immune system, specifically the white blood cells. • ...

Final Biology 2025-06-10

Across

species fighting over a limited resource
central _________, water storage in a plant cell
a group of the same species
a heterotroph that eats animals
dividing up space for example, _________ partitioning
smallest unit of life
_________ consumer, 3rd level of trophic pyramid
primary __________, level of trophic pyramid with herbivores
protecting biodiversity
type of solution that will cause a cell to shrink
tails of the phospholipid are ______ (water fearing)
shift in long term weather patterns
relationship between organisms
__________ gradient, high concentration to low
components going into a chemical reaction
___________ feedback, a response in the same direction
competition between organisms of different species
an organism that can produce its own glucose
an example of this relationship is lizards and seals
_________ consumer, 4th level of trophic pyramid
C6H12O6
components of an ecosystem ex: grass, trees, animals, bacteria
an example of this is an organism on guard duty
__________ bilayer
an organism's physical space
smallest unit of matter
variety of species in an area
site of photosynthesis
photosynthesis and cellular respiration are a ______
_____ _____ outer most layer of a plant cell
population growth when an individual moves to a different space
energy currency inside cells
components coming out of a chemical reaction
percentage of energy lost between trophic pyramid levels
primary ________, level of trophic pyramid with autotrophs
__________ transport requires energy, moves from low to high
a large area with similar vegetation, climate, and organisms
a heterotroph that eats plants
size of the population doesn't matter, density _____
taking too much from an ecosystem
the dissolving medium
__________ feedback, a response in the opposite direction
biodiversity is greatest around this area
______ fats, fatty acids with straight tails
introduction of non-native species to an area
movement of water through a membrane
the phospholipid allows for some things to pass and not others, known as
an organism that feeds off of an other organism's kill
type of cells humans have
heads of the phospholipid are _______ (water loving)
size of the population matters, density ______

Down

a solution that will cause the cell to be the same
communities and their environment
an example of this relationship is a bird building a nest in a tree
an organism that breaks down dead organisms
the macromolecule the cell membrane is made of
s shaped growth curve
an organism that has to consume to eat
population shrinks when an individual leaves to a new area
a heterotroph that eats plants and animals
your impact on carbon emissions
an example of this is fleas and dogs
dividing up food for example, _________ partitioning
the _______ ______ model, phospholipid bilayer is flexible and has many pieces
H2O
______ _______ principle
to divide resources
CO2
chemical process that creates energy
ability to maintain an internal environment
_________ pressure that keeps plants upright
competition between organisms of the same species
__________ of matter
a solution that will cause the cell to grow
a small structure with a specific function inside a cell
biodiversity is the lowest around this area
the percentage of energy kept by the primary producers
a species ability to survive to reproduction
number of different species in an area
maximum species that can be sustained long term
_________ transport requires no energy, moves high to low
when a species is depleted 50-70%
a singular living thing
an organism's function role within an ecosystem
O2
groups of different species in the same area
atom with the same number of protons
________ __________ is a cell popping
site of cellular respiration
rapid population growth over a period of time is represented with this curve
components of an ecosystem ex: temperature, water, sunlight
when a species completely disappears from the earth
total quantity of an organism in a given area
a cell without a nucleus
flow of energy within an ecosystem with multiple arrows connecting all organisms
_________ fats, fatty acids with kinked tails
dividing up time for example, _________ partitioning
the chemical being dissolved

98 Clues: O2 • H2O • CO2 • C6H12O6 • __________ bilayer • to divide resources • __________ of matter • smallest unit of life • s shaped growth curve • the dissolving medium • site of photosynthesis • protecting biodiversity • smallest unit of matter • a singular living thing • ______ _______ principle • a cell without a nucleus • type of cells humans have • a group of the same species • ...

Biology activity 2025-06-11

Across

study of geographical distribution of plants and animals
The study of formation and development of embryo of plants and animals
the study of prehistoric forms of life through fossils of plants and animals
The study of form and structure of plants and animals
The science of naming grouping and classify animals and plants
The science of the transmission of body characteristics from parents to offsprings
The Study of relationship of an organism to both its biotic and abiotic environment
The study of gross structure of organs in an organism as seen in dissection
the study of viruses
the study of algae
The study of metabolism of animals and their parts

Down

the study of fungi
the study of bacteria
The study of insects
The study of structure and function of animal and plant cell
The study of minute structures or tiny bits of the body at tissue level as seen with the help of a compound microscope
The study of origin and decent of organism
the study of fishes
the study of birds
the study of reptiles like lizards,snake

20 Clues: the study of fungi • the study of birds • the study of algae • the study of fishes • The study of insects • the study of viruses • the study of bacteria • the study of reptiles like lizards,snake • The study of origin and decent of organism • The study of metabolism of animals and their parts • The study of form and structure of plants and animals • ...

Biology activity 2025-06-11

Across

study of geographical distribution of plants and animals
The study of formation and development of embryo of plants and animals
the study of prehistoric forms of life through fossils of plants and animals
The study of form and structure of plants and animals
The science of naming grouping and classify animals and plants
The science of the transmission of body characteristics from parents to offsprings
The Study of relationship of an organism to both its biotic and abiotic environment
The study of gross structure of organs in an organism as seen in dissection
the study of viruses
the study of algae
The study of metabolism of animals and their parts

Down

the study of fungi
the study of bacteria
The study of insects
The study of structure and function of animal and plant cell
The study of minute structures or tiny bits of the body at tissue level as seen with the help of a compound microscope
The study of origin and decent of organism
the study of fishes
the study of birds
the study of reptiles like lizards,snake

Biology Vocabulary 2025-05-13

Across

a continuous cycle in which nitrogen circulates through living organisms and non-living components, including the atmosphere, soil, water, plants, animals, and bacteria
a chemical or natural substance added to soil or land to increase its fertility
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
rot or decompose through the action of bacteria and fungi.
a disturbance that interrupts or causes confusion
the variety of species found in an environment
Conversion of light energy from the sun into chemical energy.
places of carbon accumulation such as in large forests (organic compounds) or ocean sediments (calcium carbonate); carbon is thus removed from the carbon cycle for moderately long to very long periods of time.
a relationship where one organism (hunter) hunts and kills another (prey) for food
the process of burning something
a symbiotic relationship where both organisms benefit
illustration of the relative amounts of energy or matter contained within each trophic level in a given food chain or food web
process by which bacteria convert nitrates into nitrogen gas
A process by which nutrients, particularly phosphorus and nitrogen, become highly concentrated in a body of water, leading to increased growth of organisms such as algae or cyanobacteria.

Down

Green pigment in plants that absorbs light energy used to carry out photosynthesis
a symbiotic relationship where one organism (parasite) benefits by harming the other (host)
an event, caused by physical, chemical, or biological agents, resulting in changes in population size or community composition
The removal of trees faster than forests can replace themselves.
a relationship where organisms compete for limited resources
Process of converting nitrogen gas into ammonia
the ability of an ecosystem to maintain balance and return to equilibrium after a disturbance
the process by which nitrites and nitrates are produced by bacteria in the soil
An organism that breaks down wastes and dead organisms
The relationship between two species that live in close association with each other
Rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water.
Building blocks of protein
a continuous cycle in which carbon moves through the atmosphere, living organisms, oceans, and soil, shifting between inorganic and organic forms
the state or process of rotting; decay.
network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
Each step in a food chain or food web
air pollution by a mixture of smoke and fog
a symbiotic relationship where one organism benefits but the other is unaffected
Movement of people from rural areas to cities
A complex molecule containing the genetic information that makes up the chromosomes.

34 Clues: Building blocks of protein • the process of burning something • Each step in a food chain or food web • the state or process of rotting; decay. • air pollution by a mixture of smoke and fog • Movement of people from rural areas to cities • the variety of species found in an environment • Process of converting nitrogen gas into ammonia • ...

biology 4 2025-06-16

Across

Maintaining internal balance
Retains sodium
Gap between neurons
Raises blood glucose
Inner center
Homeostatic set point
Female hormone
Electrical analogy
System response loop
Blood vessels expand
Lowers blood glucose

Down

Vessels narrow
Controls temperature
Insulates axons
Evaporative cooling
Conducts impulses
Male hormone
Nerve cell
Detects stimulus
Receives impulses
Organ for control

21 Clues: Nerve cell • Male hormone • Inner center • Vessels narrow • Retains sodium • Female hormone • Insulates axons • Detects stimulus • Conducts impulses • Receives impulses • Organ for control • Electrical analogy • Evaporative cooling • Gap between neurons • Controls temperature • Raises blood glucose • System response loop • Blood vessels expand • Lowers blood glucose • Homeostatic set point • ...

Biology Crossword 2025-12-22

Across

A message that travels along a neuron
Reproduction involving two parents
The joining of sperm and egg cells
The body system that uses hormones to regulate functions
The structure that links the nervous and endocrine systems
An automatic response that happens without conscious thought
A process that stops hormone release when balance is reached
A nerve cell that carries information through the body
A chemical messenger released into the bloodstream
The organ that controls and coordinates body activities

Down

The process by which a seed begins to grow
The transfer of pollen to a female plant structure
Reproduction involving one parent and identical offspring
A plant structure that contains seeds
An organ that produces and releases chemicals or hormones
The spreading of seeds away from the parent plant
A unit of heredity that determines traits
The gap where a nerve impulse passes between neurons
A different form of the same gene
A characteristic passed from parent to offspring

20 Clues: A different form of the same gene • Reproduction involving two parents • The joining of sperm and egg cells • A plant structure that contains seeds • A message that travels along a neuron • A unit of heredity that determines traits • The process by which a seed begins to grow • A characteristic passed from parent to offspring • ...

Biology Crossword 2026-01-13

Across

:living beings that move
:large woody plants
:new ideas or methods
: plant life
:A many different types
:microscopic organisms
:making new life
:A factors that can change
:A organisms like mushrooms
:any living being

Down

:repeated forms
:similar living group
:survival change
:study of life
:A living existence
:A related to specialized skills
:A based on science
:variety of life
:surroundings of organisms
:A animal life

20 Clues: :study of life • :A animal life • :repeated forms • :survival change • :variety of life • :making new life • : plant life • :any living being • :large woody plants • :A living existence • :A based on science • :similar living group • :new ideas or methods • :microscopic organisms • :A many different types • :living beings that move • :A factors that can change • :surroundings of organisms • ...

General Biology 2025-07-30

Across

The “Site Of Protein Synthesis”
All Animals are part of this Kingdom
An organism that cannot produce its own food and must obtain nutrition by consuming other organisms
A tissue’s building blocks
A cell organelle containing Chlorophyll
An organism whose cells contain a nucleus and other membrane-bound organelles
The study of interactions between living things and their environment"
The process of plants making their own food
The life zone of Earth
It’s the “Powerhouse of the Cell”

Down

A cell division resulting in two identical daughter cells
An organism that can produce its own food, often using sunlight, water, and carbon dioxide
A single-celled organism lacking a nucleus
The Brain of the Cell
The “cellular soup”
A community of interacting living things and their environment
The outcome of Natural Selection
The Study Of Heredity
Is found in all cells and separates the interior of the cell from the outside environment
The code of life

20 Clues: The code of life • The “cellular soup” • The Brain of the Cell • The Study Of Heredity • The life zone of Earth • A tissue’s building blocks • The “Site Of Protein Synthesis” • The outcome of Natural Selection • It’s the “Powerhouse of the Cell” • All Animals are part of this Kingdom • A cell organelle containing Chlorophyll • A single-celled organism lacking a nucleus • ...

Biology keyterms 2025-07-16

Across

a molecule made of glycerol and three fatty acids
basic unit of any organism
a dead/inactive form of the pathogen
enzymes that breaks down proteins into amino acids
movement of particles from an area of high to low concentration
speeds up chemical reactions without being used up
the release of energy from glucose using oxygen
found on a microscope, magnify the specimen. there are more than one
a long chain of glucose
carry blood to the heart
a factor that slows down photosynthesis if there not enough of it
connect arteries to veins
a solution used to test food for presence of starch
a solution used to test for sugars. turns brick red if sugar is present
movement of water through a partially permeable membrane from high to low concentration
where bile is produces

Down

movement of particles from low to high concentration.
where bile is produced
the process by which plants use light energy from the sun to make glucose
a solution to test food for proteins. turns purple if protein is present
connect arteries to veins
the release of water vapor from the leaf through the stomata
part of blood that carries oxygen around the body
a group of similar cells working together to perform a similar function
part of blood that fight off infection
carry blood away from the heart
the sum of all chemical reactions in the body

27 Clues: where bile is produced • where bile is produces • a long chain of glucose • carry blood to the heart • connect arteries to veins • connect arteries to veins • basic unit of any organism • carry blood away from the heart • a dead/inactive form of the pathogen • part of blood that fight off infection • the sum of all chemical reactions in the body • ...

Higher Biology 2026-03-10

Across

The process where a molecule binds to an enzyme and decreases its activity (can be competitive or non-competitive).
A period of reduced metabolic rate in an organism to survive adverse conditions.
Pathways that release energy by breaking down complex molecules into simpler ones.
An effect where a population is significantly reduced in size, leading to a loss of genetic diversity.
The process of copying a DNA sequence into a primary mRNA transcript.
A strategy used by animals to avoid metabolic adversity by moving to a more suitable environment.
The product of fermentation in animal cells when oxygen is absent.
An organism that uses metabolism to maintain its internal environment at a steady state.
A triplet of bases on a tRNA molecule that is complementary to a specific mRNA codon.
Coding regions of mRNA that are joined together to form the mature transcript.
A short strand of nucleotides which binds to the 3' end of the template DNA strand allowing DNA polymerase to add nucleotides.
Behaviour that harms the donor individual but benefits the recipient.
Repetitive, purposeless movements used as a behavioural indicator of poor animal welfare.
Units consisting of a deoxyribose sugar, a phosphate group, and a base.
Metabolic pathways that require energy to build up complex molecules from simpler ones.
Term describing the opposite orientation of the two strands in a DNA molecule.
The use of genome information in the choice of drugs and personal medicine.

Down

Describes embryonic stem cells that can differentiate into all cell types that make up the organism.
The first stage of cellular respiration where glucose is broken down into pyruvate in the cytoplasm.
Accessory pigments that absorb light from other regions of the spectrum and pass the energy to chlorophyll.
A symbiotic relationship where one species benefits (the parasite) while the other is harmed (the host).
An organism whose internal environment is dependent upon its external environment.
A symbiotic relationship where both species benefit from the interaction.
Enzyme used to join fragments of DNA together on the lagging strand.
The main photosynthetic pigment that absorbs red and blue light.
The process by which green plants trap light energy to produce carbohydrates.
An individual produced by crossing two different inbred lines to yield a more vigorous offspring.
Non-coding regions of the primary mRNA transcript that are removed during splicing.
A random change to the DNA sequence
A negatively charged particle that that yields energy as it passes through the electron transport chain

30 Clues: A random change to the DNA sequence • The main photosynthetic pigment that absorbs red and blue light. • The product of fermentation in animal cells when oxygen is absent. • Enzyme used to join fragments of DNA together on the lagging strand. • The process of copying a DNA sequence into a primary mRNA transcript. • ...

Biology Vocab 2026-01-23

Across

– A structure of DNA and protein that carries genetic information
– The division of a cell’s nucleus during cell reproduction
– A final judgment drawn from evidence or experimentation
– Proteins that speed up chemical reactions in cells
– A cell type without a nucleus or membrane-bound organelles
– A small molecular unit that can join with others to form a polymer
– A macromolecule made of amino acids that performs many cellular functions
– Substances that accept hydrogen ions or release hydroxide ions
– An energy-providing organic compound made of sugars
– Specialized structures within a cell that perform specific functions

Down

– Lacking the properties of life
– Having the characteristics of life, such as growth and reproduction
– A large molecule made of repeating monomer units
– Substances that release hydrogen ions in solution
– A factor that does not change during an experiment
– A testable explanation for an observed phenomenon
– The process by which plants use light energy to make glucose
– A cell type containing a nucleus and membrane-bound organelles
– Solutions that resist changes in pH
– A hydrophobic molecule such as fats or oils used for energy storage and membranes

20 Clues: – Lacking the properties of life • – Solutions that resist changes in pH • – A large molecule made of repeating monomer units • – Substances that release hydrogen ions in solution • – A testable explanation for an observed phenomenon • – A factor that does not change during an experiment • – Proteins that speed up chemical reactions in cells • ...

Cell Biology 2026-02-18

Across

Cell adapted to carry out a specific function
Group of tissues working together
Organelle where photosynthesis occurs
Instrument used to view very small objects
Structure that contains cell sap in plant cells
Movement of substances against a concentration gradient
Process by which a cell changes to become specialised
Movement of particles from high to low concentration
Structure that controls the activities of the cell
Ratio affecting the rate of exchange
Group of similar cells working together
Cell with a nucleus and membrane bound organelles
Cell division that produces gametes
Protein that speeds up chemical reactions
Movement of substances in and out of cells
Cell division that produces identical cells
The basic unit of life

Down

How many times larger an image is than the real object
Site of protein synthesis
Rigid structure that supports plant cells
Undifferentiated cell that can become other cell types
Ability to distinguish between two close points
Breakdown of large molecules into smaller ones
Group of organs working together
Jelly like substance where chemical reactions take place
Controls what enters and leaves the cell
Cell without a nucleus
Cell that has no nucleus
Site of aerobic respiration in the cell
Movement of water through a partially permeable membrane

30 Clues: Cell without a nucleus • The basic unit of life • Cell that has no nucleus • Site of protein synthesis • Group of organs working together • Group of tissues working together • Cell division that produces gametes • Ratio affecting the rate of exchange • Organelle where photosynthesis occurs • Site of aerobic respiration in the cell • Group of similar cells working together • ...

Biology crossword 2024-05-09

Across

organism becomes a mature adult
results in 4 daughter cells
similar alleles
circulation of water
short segment of DNA
eats only plants
stores food and water in the cell
made of one cell
the number of chromosomes that a "normal" human has
self-replicating material
sprinkled with ribosomes
RR
results in 2 daughter cells
the ph 7 is considered what
blood protein
eats only meat
non-similar alleles
eats plants and meat

Down

rr
green pigment in plant cells
component that dissolves dominant
movement of molecules in cell membrane
species no longer exists
a thread of DNA
formation of 2 new cells
cleans cell
made of many cells
water vapor turns to liquid
infective agent only seen by microscope
central control area of body
creates proteins

31 Clues: rr • RR • cleans cell • blood protein • eats only meat • similar alleles • a thread of DNA • eats only plants • made of one cell • creates proteins • made of many cells • non-similar alleles • circulation of water • short segment of DNA • eats plants and meat • species no longer exists • formation of 2 new cells • sprinkled with ribosomes • self-replicating material • results in 4 daughter cells • ...

Biology crossword 2024-05-09

Across

Series of events that moves carbon
movement of molecules in cell membrane Carboncycle, series of events that moves carbon ground
non-similar alleles
cleans cell
green pigment in plant cells
made of many cells
formation of 2 new cells
central control area of body
sprinkled with ribosomes
short segment of DNA
species no longer exists
made of one cell
blood protein
eats only plants
results in 2 daughter cells

Down

rr
organism becomes a mature adult
component that dissolves dominant
circulation of water
A thread of DNA
RR
the number of chromosomes that a "normal" human has
eats only meat
stores food and water in the cell
self-replicating material
infective agent only seen by microscope
water vapor turns to liquid
eats plants and meat
similar alleles
the ph 7 is considered what
results in 4 daughter cells

31 Clues: rr • RR • cleans cell • blood protein • eats only meat • A thread of DNA • similar alleles • made of one cell • eats only plants • made of many cells • non-similar alleles • circulation of water • short segment of DNA • eats plants and meat • formation of 2 new cells • sprinkled with ribosomes • species no longer exists • self-replicating material • water vapor turns to liquid • ...

Biology crossword 2024-05-09

Across

sprinkled with ribosomes
Series of events that moves carbon
the number of chromosomes that a "normal" human has
cleans cell
component that dissolves dominant
eats only meat
made of one cell
results in 4 daughter cells
the ph 7 is considered what
rr
RR
similar alleles
results in 2 daughter cells
movement of molecules in cell membrane Carboncycle, series of events that moves carbon ground
self-replicating material

Down

circulation of water
blood protein
central control area of body
made of many cells
infective agent only seen by microscope
eats plants and meat
A thread of DNA
species no longer exists
green pigment in plant cells
non-similar alleles
stores food and water in the cell
formation of 2 new cells
eats only plants
water vapor turns to liquid
short segment of DNA
organism becomes a mature adult

31 Clues: rr • RR • cleans cell • blood protein • eats only meat • A thread of DNA • similar alleles • made of one cell • eats only plants • made of many cells • non-similar alleles • circulation of water • eats plants and meat • short segment of DNA • sprinkled with ribosomes • species no longer exists • formation of 2 new cells • self-replicating material • results in 4 daughter cells • ...

Biology Vocab 2024-05-16

Across

where an animal lives
Spray that kills bugs to protect crops
on land
Living organisms in an environment
Two organisms fighting for resources, mates, and land
Nonliving organisms in an environment
Making food from the sun
Symbiotic relationship Where one organism benefits and one is not affected
Needs to eat other organisms for food
A treatment for a virus

Down

The use of an organism to make a product or a process
Ability to make its own food
A treatment for bacteria
Symbiotic relationship where both organisms benifit
Spray that kills weeds
fuel made by organic matter
A organisms roll in an environment
The amount of usable crops in a harvest
in the water
Symbiotic relationship Where one organism is harmed and one is benefited

20 Clues: on land • in the water • where an animal lives • Spray that kills weeds • A treatment for a virus • A treatment for bacteria • Making food from the sun • fuel made by organic matter • Ability to make its own food • Living organisms in an environment • A organisms roll in an environment • Nonliving organisms in an environment • Needs to eat other organisms for food • ...

Cell Biology 2024-06-04

Across

cell A cell with a particular function
wall Organelle which provides the cell with structure and support
Organelle where aerobic respiration takes place
Smaller cell that doesn't contain a true nucleus
This stage of the cell cycle is when the nucleus divides
Organelle which absorbs sunlight for photosynthesis
cell An undifferentiated cell that can become any type of cell
A source of stem cells that can differentiate into most cell types

Down

The ability to distinguish between two separate points
Organelle that contains DNA
lens This is used on a light microscope to change the magnification
Larger cell that does contain a true nucleus
How much bigger the image size is than the actual size
blood cell A specialised animal cell that doesn't contain a nucleus
A form of cell division forming two identical daughter cells
This stage of the cell cycle is when the DNA replicates
The movement of water particles from a high to low concentration through a partially permeable membrane
The movement of particles from a high to low concentration
hair cell A specialised plant cell that increases the surface area for water uptake
transport The movement of particles from a low to high concentration going against the concentration gradient using energy

20 Clues: Organelle that contains DNA • cell A cell with a particular function • Larger cell that does contain a true nucleus • Organelle where aerobic respiration takes place • Smaller cell that doesn't contain a true nucleus • Organelle which absorbs sunlight for photosynthesis • The ability to distinguish between two separate points • ...

Biology Vocabulary 2024-05-15

Across

An outbreak that affects multiple countries
A form of technology that uses living things to modify plants, animals,and develop microorganisms for specific purposes
The process of which cells obtain energy from glucose
A trait that helps an organism develop in an environment
The living things in an ecosystem
Organisms that can not produce their own food
Anything that causes a mutation, or change in DNA
The process that plants use to make food
The role an organism plays in an ecosystem
An outbreak in a localized area
Place where an organism lives

Down

A microbe that can cause a disease
Animal that carries pathogens from person to person
Medicine that kills or slows the growth of bacteria
Organisms that can produce their own food
The process where organisms better fitted to survive and reproduce
A substance prepared from a killed or weaken viruses that are introduced to the body to produce immunity
An organism that has a pathogen, but is immune, but can pass it to other people
A community of organisms and their abiotic environment
The non-living things in an ecosystem

20 Clues: Place where an organism lives • An outbreak in a localized area • The living things in an ecosystem • A microbe that can cause a disease • The non-living things in an ecosystem • The process that plants use to make food • Organisms that can produce their own food • The role an organism plays in an ecosystem • An outbreak that affects multiple countries • ...

Biology crossword 2024-11-18

Across

– Molecule essential for life (e.g., carbohydrates, proteins).
– Maintenance of a stable internal environment.
– Type of cell with a nucleus.
– Movement of particles from high to low concentration.
– Gel-like substance inside a cell.
– Protein that helps fight infections.
– Protein in red blood cells that carries oxygen.
– Organelle responsible for photosynthesis in plant cells.
– Protein that speeds up chemical reactions.
– Organic molecule used for long-term energy storage.
– Community of living organisms and their environment.
– Movement of water across a membrane.
– Segment of DNA that codes for a trait.
– Structural polysaccharide in fungi and arthropods.
– Macromolecule made of amino acids.
– Organism that consumes others for energy.
– Molecule involved in protein synthesis.

Down

– Process by which plants make their own food using sunlight.
– Organelle that modifies and packages proteins.
– Cell division resulting in two identical cells.
– Type of cell without a nucleus.
– Change in DNA sequence.
– Molecule carrying genetic instructions.
– Organism that makes its own food.
– Cell division that produces gametes.
– Basic unit of life.
– Organelle containing genetic material.
– Organelle that synthesizes proteins.
– Organelle where energy production occurs.
– Group of individuals of the same species in an area.

30 Clues: – Basic unit of life. • – Change in DNA sequence. • – Type of cell with a nucleus. • – Type of cell without a nucleus. • – Gel-like substance inside a cell. • – Organism that makes its own food. • – Macromolecule made of amino acids. • – Cell division that produces gametes. • – Protein that helps fight infections. • – Organelle that synthesizes proteins. • ...

BIOLOGY DNA 2024-12-06

Across

Acid The building block of proteins.
A group of three nucleotides that codes for a specific amino acid.
A change in the DNA sequence.
The molecule that carries genetic information in most organisms.
A molecule involved in protein synthesis.
In the nucleotide known as "s"
The process of copying DNA into RNA.
The process of copying DNA.
A segment of DNA that codes for a specific protein.
A type of RNA that carries amino acids to ribosomes.
One of the four chemicals that make up the code of DNA and RNA.

Down

A type of RNA that carries genetic information from DNA to ribosomes.
In the nucleotide known as "p"
this bands hold the strands together
A cellular structure where protein synthesis occurs.
A molecule made up of one or more polypeptide chains.
The process of converting RNA into protein.
The building block of DNA and RNA.
Code The set of rules that determines how DNA sequences are translated into amino acid sequences.
A type of RNA that is part of ribosomes.

20 Clues: The process of copying DNA. • A change in the DNA sequence. • In the nucleotide known as "p" • In the nucleotide known as "s" • The building block of DNA and RNA. • this bands hold the strands together • The process of copying DNA into RNA. • Acid The building block of proteins. • A type of RNA that is part of ribosomes. • A molecule involved in protein synthesis. • ...

Biology Crossword 2024-05-08

Across

change overtime
internal balence
secret recipe that makes you who you are
chemical messengers
trait instructions
complex cells
simple cells
natures inspired innovation
genetic surprise
sun powered food
chemical catalyst
natures recyclers
genetic code
nature community
basic block of all living things
studying inheritance
hormone control center

Down

physical trait
sneaky troublemaker
X and Y
family traits
variety of life
passing on traits
creating new life
body's communication network
body's energy management
survival strategy
defense against pathogens
study of structure
judging based on criteria
study of function
cell division
organism classification
study of interactions
energy production

35 Clues: X and Y • simple cells • genetic code • family traits • complex cells • cell division • physical trait • change overtime • variety of life • internal balence • genetic surprise • sun powered food • nature community • passing on traits • creating new life • survival strategy • study of function • chemical catalyst • natures recyclers • energy production • trait instructions • study of structure • ...

Biology Crossword 2025-02-24

Across

Organisms that make energy using light.
Living things.
Mass of living things in a group.
Animals that eat other animals and plants regularly
Organisms that make energy using inorganic chemicals.
When an area is settled by organisms where there had been life.
An organism's capacity to do biological functions.
Animals that mostly or only eat other animals.
Non-living things.
When water condenses, collects, and falls.
Organisms that use dead organisms and waste for food.

Down

When an area is settled by organisms where there had never been life before.
Animals that mostly or only eat plants.
Organisms that make their own food.
How organisms break down glucose to make ATP.
Another term for...
Evaporation from plants.
When gases turn into liquid.
An organism's part in a food web or chain.
Organisms that consume other organisms for food.
Biotic and abiotic factors and how they interact in a certain area.

21 Clues: Living things. • Non-living things. • Another term for... • Evaporation from plants. • When gases turn into liquid. • Mass of living things in a group. • Organisms that make their own food. • Animals that mostly or only eat plants. • Organisms that make energy using light. • An organism's part in a food web or chain. • When water condenses, collects, and falls. • ...

Biology crossword 2025-02-27

Across

powerhouse of the cell
reads codons
cells that make up the body
can't leave the nucleus
last stage of protein synthesis
groups of three amino acids that are translated
nucleicp nucletic acids
what is within Chromosomes
DNA with out the deoxy

Down

the building block to life
center of the cell
process of making RNA
2 strands of DNA
crossed DNA stands
example of somatic cell
one pair of matching chromosomes
where does MRNA goes to be read
messenger of RNA
part of a nucleotide
is not a somtic cell

20 Clues: reads codons • 2 strands of DNA • messenger of RNA • center of the cell • crossed DNA stands • part of a nucleotide • is not a somtic cell • process of making RNA • powerhouse of the cell • DNA with out the deoxy • can't leave the nucleus • example of somatic cell • nucleicp nucletic acids • the building block to life • what is within Chromosomes • cells that make up the body • ...

Biology Vocabulary 2025-04-07

Across

One or two traits in genetic pairing studies.
Synthesis Creation of molecular machines for cells.
Cellular division to form identical cells.
A chemical group in genetic structures.
G2: Growth phases in cellular division.
The conclusion of genetic material division.
Cytoplasm division to finalize cell creation.
One of the molecular building blocks.
Bases: Molecules that form pairs in genetic strands.
A backbone component of genetic molecules.
A basic unit of genetic structures.
Matching or pairing precisely.
A preparatory stage in the cell cycle.
The start of genetic material division.
A trait expressed only when matched.

Down

Alterations in genetic sequences.
Identical versions of a genetic factor.
A process to create messenger sequences.
A compound found in genetic material.
A molecule that pairs with a specific counterpart.
A structural molecule in genetic code.
Assembly of proteins from genetic sequences.
A trait that overshadows others.
Genetic information carriers in living organisms.
Helix A twisted ladder-shaped structure.
A midpoint in cellular splitting.
Separation of genetic material strands.
Different versions of a genetic factor.

28 Clues: Matching or pairing precisely. • A trait that overshadows others. • Alterations in genetic sequences. • A midpoint in cellular splitting. • A basic unit of genetic structures. • A trait expressed only when matched. • A compound found in genetic material. • One of the molecular building blocks. • A structural molecule in genetic code. • A preparatory stage in the cell cycle. • ...

biology crossword 2024-12-23

Across

- An organelle that contains cell sap (a weak solution of sugar and salts).
- An oxygen-carrying protein found in red blood cells.
- The clumping together of cells.
- A section of DNA within a gene that codes for amino acids.
- The ability to respond quickly to an infection.
- A group of different tissues that work together to perform a particular function.
- A small organelle that makes proteins.
- The variety of living organisms in an area.
- A method where cell components are separated out using a centrifuge.

Down

- A lipid containing one molecule of glycerol attached to two fatty acids and a phosphate group. Main component of the cell membrane.
- Repels water.
- The complete set of genes in a cell.
- How much bigger an image from a microscope is compared to the specimen.
- A carbohydrate molecule made up of two polysaccharides - amylose and amylopectin.
- The monomer that makes up polynucleotides - consists of a pentose sugar, a phosphate group and a nitrogenous organic base.
- A strong fibre formed by chains of cellulose linked together by hydrogen bonds.
- The protein coat surrounding a virus' genetic material.
- A harmful molecule. Released by some pathogens.
- A protein that speeds up the rate of chemical reactions.
- A pore on the surface of an insect.

20 Clues: - Repels water. • - The clumping together of cells. • - A pore on the surface of an insect. • - A small organelle that makes proteins. • - The complete set of genes in a cell. • - The variety of living organisms in an area. • - The ability to respond quickly to an infection. • - A harmful molecule. Released by some pathogens. • ...

MARINE BIOLOGY 2025-01-14

Across

feeding by filtering out things suspended in the water
an example of eel-like body shapes
a body shape that resembles that of a manta ray
a type of scale on a bony fish with a smooth rounded edge
fish use this to blend into their surroundings
surface pigment cells that expand and contract to produce various colors
a coloration with bright colors to scare predators
Ariel's fish friend from the little mermaid
a type of coloration that makes a fishes body look split or nonexistent
the main organ in most fishes intestines
projections along the inner surfaces of fishes gills used for filter feeding
a pattern that helps fish effectively hide in open water
a body shape that gives a flattened appearance
an irregular shaped fish named in the book
bands of muscle along the sides of fishes used for locomotion

Down

another example of eel-like body shapes
fishes that have a skeleton comprising of at least some bone
a fin on the back side of fish
a flap made of bony plates and tissue
an area in a sharks intestine that resembles a spiral staircase
a body shape resembles a disc
this helps fish attain natural buoyancy
a line on a fish that helps the fish determine direction of water movement
what bony fishes fins are supported by
bottom dwelling fishes
a type of coloration that helps fish to blend in
a fin on the rear end of a fish
a fin on the ventral side of fish
a type of scale on a bony fish with comb-like extensions
a body shape type also called tapered

30 Clues: bottom dwelling fishes • a body shape resembles a disc • a fin on the back side of fish • a fin on the rear end of a fish • a fin on the ventral side of fish • an example of eel-like body shapes • a flap made of bony plates and tissue • a body shape type also called tapered • what bony fishes fins are supported by • another example of eel-like body shapes • ...

Molecular biology 2025-03-30

Across

A single base change — small typo, potentially big consequences
Genetic material wrapped in protein — not quite alive
DNA → RNA → Protein — the sacred flow of genetic info
Adds a chemical tag to DNA — usually silences gene expression
Copying DNA before cell division
Enzyme that lays down an RNA primer to get replication started
DNA strand built continuously — smooth sailing
Heritable changes in gene activity without altering the DNA sequence
Enzyme that unzips DNA strands
Carries the genetic message from nucleus to ribosome
Noncoding regions cut out during RNA processing
Strand built in Okazaki fragments — like trying to read backwards

Down

Enzyme that builds the new DNA strand — always reads 3’ to 5’, builds 5’ to 3’
Viral replication cycle that ends with cell bursting
Making proteins from RNA — the cell’s version of decoding a recipe
Making RNA from DNA — like copying notes from the master file
Editing RNA before it leaves the nucleus — cut, cap, and tail
DNA base that pairs with thymine — unless it’s RNA, then it pairs with uracil
Caused by insertions or deletions — messes up the entire reading frame
A pairs with T, C pairs with G — nature’s strict dating rules
Proteins DNA wraps around — like spools for your genetic yarn
Brings amino acids during translation
A group of prokaryotic genes regulated together — one switch for multiple lights
Coding sequences that stay in the final mRNA — the usable footage
Viral cycle where DNA inserts into host genome and chills
Enzyme that seals DNA fragments — like genetic glue
Any change in DNA — can be harmless, helpful, or a total disaster
Short fragments of DNA on the lagging strand

28 Clues: Enzyme that unzips DNA strands • Copying DNA before cell division • Brings amino acids during translation • Short fragments of DNA on the lagging strand • DNA strand built continuously — smooth sailing • Noncoding regions cut out during RNA processing • Enzyme that seals DNA fragments — like genetic glue • Viral replication cycle that ends with cell bursting • ...

Biology Crossword 2025-04-01

Across

An organism that can convert abiotic sources of energy into usable energy
an organism that cannot produce its own food and obtains nutrients by consuming other organisms.
All of the food chains in an area
Eats Animals
An organism that breaks down once living organisms
Non-Living things in an ecosystem
Gets energy through eating other organisms
A living thing
The Organism that gets harmed in a parasitic relationship
Eats Anything
all individuals of the same species in an area

Down

All Abiotic and Biotic Factors in the world
The organism that eats the prey
All Abiotic and Biotic factors in a specific area
Eats Dead Things
The consumed by the predator
Living things in an ecosystem
Make their own food for energy
Series of organisms that are dependent on each other for food
Every Living thing in an area
Position of an organism in the food chain
The study of Ecosystems
The conditions where a specific species lives
Eats Plants
An organism that gains from the expense of others

25 Clues: Eats Plants • Eats Animals • Eats Anything • A living thing • Eats Dead Things • The study of Ecosystems • The consumed by the predator • Living things in an ecosystem • Every Living thing in an area • Make their own food for energy • The organism that eats the prey • All of the food chains in an area • Non-Living things in an ecosystem • Position of an organism in the food chain • ...

Biology Vocab 2025-05-05

Across

A set of nucleotide
left side
Away
Keep away
fights against
Bonds weak bonds
molecule living
Green
They make their own nutrients
Stores and makes
doesn't affect
Can leave the nucleus
population Too much
change
right side
changing
selection "survival of the fittest"

Down

Isolation Mountains and rivers
old strand paired with a new strand
Like a printing machine
fight
doesn't require oxygen
contains DNA
Dogma DNA -> RNA -> Proteins
many
required for photosynthesis
one/single
requires oxygen
same/similar
cannot leave nucleus

30 Clues: Away • many • fight • Green • change • changing • left side • Keep away • one/single • right side • contains DNA • same/similar • fights against • doesn't affect • requires oxygen • Bonds weak bonds • molecule living • Stores and makes • A set of nucleotide • population Too much • cannot leave nucleus • Can leave the nucleus • doesn't require oxygen • Like a printing machine • required for photosynthesis • ...

Biology Review 2025-05-06

Across

Long period without rain/water
When a cell splits twice
Contains DNA and humans have 23 pairs
Maintaining balance
DNA sequence that has specific code
A catalyst protein
When a species gets replaced my another
When a cell splits once
Captures light energy and makes chemical energy
Gradual changes in characteristics in organisms
Smallest particle for living things
Kills dangerous bacteria
Destruction of forests

Down

Organisms that use energy from the sun
Same; BB, bb
Weak gene, b
Overflow of water
Tolerance against something
Quick energy
Chemical reaction that uses oxygen
DNA dupiclates itself
When the ecosystem is stable
When too many fishes are being caught
Kills/repels pests
speeds up chemical reactions
when organisms depend on each other
Different; Bb
Strong Gene, B
Chemical reaction that doesn't use oxygen
Genetic information that stays in nucleus

30 Clues: Same; BB, bb • Weak gene, b • Quick energy • Different; Bb • Strong Gene, B • Overflow of water • Kills/repels pests • A catalyst protein • Maintaining balance • DNA dupiclates itself • Destruction of forests • When a cell splits once • When a cell splits twice • Kills dangerous bacteria • Tolerance against something • When the ecosystem is stable • speeds up chemical reactions • ...

Biology vocab 2025-05-06

Across

Too much water that it has no where to drain
A membrane bound cell organelle
The actual or hypothetical form or stock from which an organism has developed or descended
the preservation of biological tissues from decay due to autolysis or putrefaction
tree a diagram that represents evolutionary relationships among organisms
is the order in which species appear in an ecosystem over time.
an intercellular structure made of both RNA and protein, and it is the site of protein synthesis in the cell.
the rising of portions of the Earth's surface
a group of organisms living in the same geographical area at the same time
organisms that make their own food
The influence of genes on a particular trait or characteristic
is a plant, animal or microbe in which one or more changes have been made to the genome, typically using high-tech genetic engineering, in an attempt to alter the characteristics of an organism.
a naturally occurring element that is essential for growth and reproduction in both plants and animals
the tendency of an individual organism, a community, a population, or an ecosystem to maintain a more or less constant structure over relatively long periods of time
is any organism that breaks down or eats decaying material for its energy source
the structure in a cell that contains the chromosomes
a phosphorus atom bound to four oxygen atoms
small organisms, or living things, that can be found in all natural environments.
powerhouse of the cell
a process of which decent with modification

Down

the process of an animal or plant becoming preserved in a hard, petrified form
The analysis of a substance in order to ascertain its influence on living organisms
A stack of small flat sacs formed by membranes inside the cell's cytoplasm
a chemical element that naturally occurs in all organic compounds and is found in all forms of life
a community of living organisms (plants, animals and microbes) in a particular area
Tiny machines that provide the needs of the cell
Any cell or organism that possesses a clearly defined nucleus
a chemical process in which a substance reacts rapidly with oxygen and gives off heat.
Small cell stomachs
is an organism that cannot produce its own food and must eat other plants and/or animals to get energy
the study of the evolutionary relatedness among groups of organisms
Lack of water
The smallest unit that can live on it own
A flagellum is a whip-like structure that allows a cell to move.
a close, prolonged association between two or more different biological species

35 Clues: Lack of water • Small cell stomachs • powerhouse of the cell • A membrane bound cell organelle • organisms that make their own food • The smallest unit that can live on it own • a process of which decent with modification • Too much water that it has no where to drain • a phosphorus atom bound to four oxygen atoms • the rising of portions of the Earth's surface • ...

Biology Crossword 2025-04-28

Across

multiple monomers combined with each other
a specific sequence of dna
the process of a plant growing toward light
the process of an organism changing over a long time
a single celled living organism
acts as a catalyst toward substrates
the part of a cells life that lasts for 90 percent of its life
a group of the same organisms around the world
a way to tell what traits an organism will get
a specific characteristic of an organism
the concentration of a toxin through organisms due to the consumption of other organisms
transports water and nutrients from the roots to the leaves
the chance that an organism has to survive in its environment
Something inside of a cell that has a function
the process of a plant growing away from gravity
a non-living thing
a sequence of three nucleotides from the DNA of an organism
an organism that makes its own food
the area in which an organism lives
a type of bacteria that infects a host
gets separated by an enzyme
a biomolecule that holds genetic information

Down

when a lot of DNA gets clumped together it makes this
the building blocks of a biomolecules
an unexpected change in the DNA of an organism
an organism that has multiple cells
an organism that gets infected by a virus
transports sugar from the leaves to the roots
the way an organism regulates its body to the environment
the process an organism goes through to take in oxygen
the process a somatic cell goes through to divide
an organism that relies on other things for food
a living thing
the process a plant goes through to make food
the process of DNA getting translated into rna
like DNA but it is only single celled
the process a gamete cell goes through to divide
DNA gets transcribed into mRNA
a change that a species goes through to have a better chance at surviving
the main organelle of the cell that carries dna

40 Clues: a living thing • a non-living thing • a specific sequence of dna • gets separated by an enzyme • DNA gets transcribed into mRNA • a single celled living organism • an organism that has multiple cells • an organism that makes its own food • the area in which an organism lives • acts as a catalyst toward substrates • the building blocks of a biomolecules • ...

Biology Crossword 2025-04-30

Across

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

Down

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

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

Biology Review 2025-05-05

Across

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

Down

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

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

Biology crossword 2025-05-07

Across

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

Down

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

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

Human Biology 2024-10-17

Across

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

Down

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

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

Biology crossword! 2024-08-05

Across

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

Down

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

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

Biology Crossword 2024-09-10

Across

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

Down

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

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

Sel Biology 2024-08-27

Across

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

Down

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

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

Arthropoda Biology 2024-11-07

Across

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

Down

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

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

Biology vocab 2024-11-11

Across

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

Down

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

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

Biology vocab 2024-11-11

Across

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

Down

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

Biology Terms 2024-11-11

Across

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

Down

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

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

Biology A 2024-11-11

Across

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

Down

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

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

Biology vocab 2024-10-29

Across

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

Down

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

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

Biology 1 2024-09-14

Across

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

Down

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

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

Cellular Biology 2024-09-17

Across

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

Down

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

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

biology vocab 2024-10-28

Across

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

Down

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

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

Biology Terms 2024-10-21

Across

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

Down

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

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

Biology 1 2025-11-16

Across

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

Down

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

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

BIOLOGY WORKSHEET 2025-10-31

Across

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

Down

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

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

Biology worksheet 2025-10-30

Across

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

Down

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

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

biology review 2025-05-12

Across

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

Down

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

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

Biology crossword 2025-08-22

Across

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

Down

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

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

Biology Words 2025-08-29

Across

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

Down

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

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

Butterfly Biology 2025-11-03

Across

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

Down

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

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

biology review 2025-11-20

Across

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

Down

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

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

cell biology 2025-12-09

Across

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

Down

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

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

Biology Vocabularies 2025-12-09

Across

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

Down

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

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

Biology Review 2025-12-10

Across

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

Down

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

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

Biology Crossword 2025-12-10

Across

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

Down

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

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

Biology unit5 2025-12-11

Across

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

Down

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

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

marine biology 2026-03-23

Across

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

Down

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

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

Biology Review 2026-03-19

Across

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

Down

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

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

Biology - Biomes 2026-03-26

Across

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

Down

Clearing
Symbiosis
Recovery
light
Thermal
Water
Stable
Mixing
Network

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

Biology Invertebrates 2026-04-01

Across

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

Down

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

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

Biology crossword 2026-04-17

Across

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

Down

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

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

IB biology 2026-03-31

Across

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

Down

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

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

Biology Terms 2026-04-16

Across

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

Down

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

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

Biology Crossword 2026-04-16

Across

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

Down

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

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

biology stuff 2026-04-21

Across

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

Down

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

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

Biology 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. • ...

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 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 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

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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. • ...

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