| A | B |
|---|
| food chain | The path of the energy in food from one organism to another. |
| food web | The overlapping food chains in an ecosystem. |
| herbivore | An animal that eats plants, algae, and other producers. |
| carnivore | An animal that eats another animal. |
| predator | An animal that hunts other animals for food. |
| prey | A living thing that is hunted for food. |
| scavenger | A meat-eating animal that feeds on the remains of dead animals. |
| omnivore | An animal that eats both plants and animals. |
| symbiosis | A relationship between two kinds of organisms that lasts over time. |
| mutualism | A relationship between two kinds of organisms that benefits both. |
| parasitism | A relationship in which one organism lives in or on another organism and benefits from that relationship while the other may be harmed by it. |
| commensalism | A relationship between two kinds of organisms that benefits one without harming the other. |
