| A | B |
|---|
| interact | when plants and animals work together |
| producer | a living thing that makes its own food |
| consumer | a living thing that eats other living things for food |
| decomposer | a living thing that breaks down dead things for food |
| food chain | shows how energy moves through the environment |
| energy pyramid | shows that the amount of usable energy in an ecosystem is less for each higher level in the food chain |
| food web | a model that shows how food chains overlap |
| predator | an animal that hunts another animal for food |
| prey | an animal that is hunted |
