| A | B |
| community | organisms that live together in an ecosystem |
| mutualism | a relationship in which all species that take part benefit |
| producers | organisms that carry on photosynthesis |
| commensalism | a relationship in which one species benefits while the other is unaffected |
| parasitism | a relationship in which one organism lives off of and harms another organism |
| ecosystem | organisms interacting with one another and with their physical environment |
| symbiosis | a long term close relationship between different species |
| herbivores | consumers that eat plants |
| omnivores | consumers that eat both plants and animals |
| carnivores | meat-eating consumers |