| A | B |
| carnivore | a consumer that eats only animals |
| omnivore | a consumer that eats both plants and animals |
| decomposer | an organism that gets its energy by consuming the remains and wastes of other organisms |
| energy pyramid | shows how energy is used in a food chain or ecosystem |
| herbivore | a consumer that eats only plants |
| organism | a living thing |
| interact | to act together |
| ecosystem | a community of interacting organisms and their environment |
| producer | organism that make its own food |
| consumer | organism that gets energy by eating food |
| food chain | follow one path of energy as animals find food |
| food web | shows many different food chains |