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produced by plants and animals to change another part of the plant or cell.
Only has one cell.
has more than one cell.
makes food from small molecules using an energy source. For example light in photosynthesis.
Gets food from eating and digesting the tissues of other organisms.
gets food by digesting the tissues of other organisms outside the body and digested food.
the different classes of animals.
an animal with a backbone.
an animal without a backbone.
animals that lay eggs.
animals that produce live young.
animals that are warm blooded.
animals that are cold blooded.
cannot produce young.
can produce young.
animals that cross breed but are still fertile.
an allele with power over the recessive allele.
an allele that doesn't have power over the dominant allele.
changing how something works.
the total mass in living organisms.
an animal, because it consumes other organisms.
an animal that eats plants.
an animal that eats other animals.
an animal that eats plants and animals.
an animal that hunts other animals.
an animal that is being hunted.
an organism that produces its own food. For example plants.
a level in the food chain.
they are animals that eat other animals that are a lot bigger than they are and both animals stay alive. For example Fleas.
animals that help the animal that they are living with and they both benefit from it. For example cleaner fish.
they are produced by plants and cause cell elongation.
a hormone produced by a plant to make food for the plant.
materials that are put in the atamostphere that harms it.
when you control the water levels arond the body.
when you control the temperature around the body.
when we detect the changes in our surroundings.
carry impulses to your brain or your spinal cord.
an electrical signal caused by stimulus.
a hormone that lowers the glucose levels.
a hormone that increases the glucose levels.
a chemical substance that has an effect on how the body functions.
a micro-organism that causes disease.
a disease that is caught from an infected person.
a disease that is spread by contact. For example malaria in mosquitos.
a substance that is used to stop the spread of pathogens.
a substance that is used to kill or slow the growth of pathogens.