| A | B |
|---|
| producer | organism that makes its own food |
| consumer | organism that obtains food by eating other organisms |
| herbivore | consumer that only eats plants |
| carnivore | consumer that only eats animals |
| omnivore | consumer that only eats both plants and animals |
| scavenger | animal that only eats dead organisms |
| decomposer | organism that breaks down the wastes or remains of other organisms |
| food chain | way of showing how the evergy from food moves through populations of organisms in a community |
| food web | way of showing how food chains are related |
| energy pyramid | way of showing how energy moves through a food chain |
| competition | struggle among organisms for resources in an ecosystem |
| predation | relationship in which an organism kills and eats another organism |
| predator | organism that kills and eats another organism |
| prey | organism that is killed and eaten by another organism |
| symbiosis | relationship between different species living in close association with one another |
