| A | B |
|---|
| producer | an organism that can make its own food |
| consumer | an organism that obtains energy by feeding on other organisms |
| herbivore | consumers that eat only plants |
| carnivore | consumers that eat only animals |
| omnivore | a consumer that eats both plants and animals |
| scavenger | a consumer that feeds on the bodies of dead organisms |
| decomposer | organisms that break down wastes and dead organisms |
| food chain | a series of events in which one organism eats another and obtains energy |
| food web | many overlapping food chains in an ecosystem |
| energy pyramid | a diagram that shows amount of energy that moves from one feeding level to another |
