| A | B |
| community | organisms that live together in an ecosystem |
| niche | role (job) that a species plays in a community |
| chlorophyll | substance in plants that gives them a green color |
| consumers | organisms that obtain energy by eating other organisms |
| symbiosis | a long-term close relationship |
| parasitism | a relationship where one organism is harmed and one is benefitted |
| population | organisms of the same kind |
| ecosystem | organisms interacting with each other and their environments |
| producers | organisms that produce their own food |
| decomposers | organisms that feed on waste and decaying material |
| omnivores | consumers that eat both plants and animals |
| mutualism | a relationship where both organisms are benefitted |
| adaptation | behavior that helps a species live and reproduce |
| biotic | factors that are alive or were once living |
| abiotic | factors that are not alive and never will be |
| herbivores | plant-eating consumers |
| carnivores | meat-eating consumers |
| commensalism | a relationship where one organism is benefitted and one unaffected |