| A | B |
| producer | An organism that makes its own food. |
| consumer | An organism that eats other organisms. |
| decomposer | A type of consumer that gets its food by breaking down animal wasters and remains of dead plants and animals. |
| predator | An animal that feeds on other living animals. |
| prey | The animals predators eat. |
| scavenger | An animal that ets the remains of animals that have died. |
| symbiosis | A relationship between two organisms of different species tht benefits one or both of the organisms. |
| parasitism | A symbiotic relationship in which one organism benefits and the other organism is harmed. |
| mutualism | The symbiotic relationship that benefits both organisms involved. |
| commensalism | A symbiotic relationship that benefits one organism and doesn't harm or help the othe organism. |