| A | B |
| elevation | the height to which something is elevated |
| symbiosis | the living together in close association of two diferent organisms |
| commensalism | a relationship in which two organisms live together, one benefits while the other is unaffected |
| mutualism | a close relationship between two organisms in which both organisms benefit |
| parasitism | a relationship in which one organism (the host) is harmed while the other organism (the parasite) benefits |
| decomposition | describes the process in which fungi and bacteria break down plant and animal material and animal waste, and release nutrients back into the environment |
| trait | an inherited characteristic |
| inherited | to recieve from one's ancestors |
| exotic species | an organism that makes a home for itself in a new place |
| biodiversity | the number and variety of organisms in a given area during a specific period of time |
| decomposer | an organism that breaksdown dead organisms and gives the nutrients back to the soil |