| A | B |
|---|
| habitat | an enviroment thar peovides the things an organim needs to live, grow, and reproduce |
| niche | the role of an organism in its habitat, or how it makes its living |
| competition | the strugle between organisms to survive as they attempt to use the same limited resources. |
| predation | an intercation in which one organism kills another for food. |
| symbiosis | A close relationship between two species in which one species benefits at least one of the species. |
| commensalism | a relationship between two species in which one species benfeit one species benfefits and the other species is neither helped nor harmed |
| mutualism | a relationship between two species in which both species benefit |
| parasitism | a relationship in which one organism lives on a host and harms it. |
| ecology | the study of how living things interact with eachother and their environment |
| biodiversity | the number of different species in an area |
| decomposer | an organism that breaks down dead organisms |
| producer | an organism that makes its own food |
| food chain | a series of events in which one organism eats another and obtains energy |
| biome | a group of land ecosystems with similiar climates and organisms |
| estuary | a habitat in which fresh water of a river meets salt water in the ocean |
| nertic zone | the region of shallow ocean water overthe continental shelf |
| consumer | an organism that obtains energy by feeding on other organisms |
| blake | a golden boy |
