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Animal Unit Study Guide
Directions:
Prepare the definitions for the following terms:
 Carnivore- eats meat.
 Decomposer- bacteria and fungus that break down dead
organisms.
 Fins- body parts used by fish for motion.
 First order consumer- any organism that eats producers.
 Food chain- the relationship between plants and animals
that shows who eats what. Energy is transferred from one
organism to another through the food chain.
 Food Web- a number of food chains that are connected
together.
Animals Gr. 3 vocab key
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 Gills- the organs a fish uses to obtain oxygen from the
water.
 Herbivore- eats plants.
 Omnivore- eats plants and animals.
 Predator- a hunter.
 Prey- food for another animal.
 Second order consumer- any organism that eats a first
order consumer.
 Third order consumer- any organism that eats a second
order consumer.
Animals Gr. 3 vocab key
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