| A | B |
|---|
| producer | an organism that makes its own food |
| consumer | an organism that obtains energy by feeding on other organisms |
| decomposer | break down biotic wastes and dead organisms and return the raw material to the ecosystem. |
| predator | organism doing the killing is the |
| prey | organism being killed is the |
| herbivore | consumers that eat only plants |
| carnivore | consumers that eat only animals |
| omnivore | consumers that eat both plants and animals |
| photosythensis | the process by which plants and others autotrophs capture and use light energy to make food from carbon dioxide and water. |
| cellular respiration | the process by which cells obtain energy from glucose. |
| mutualism | both species benefit |
| commensalism | one species benefits, other not affected |
| parasitism | one organism benefits, other is harmed |
