| A | B |
|---|
| BIOSPHERE | Part of the earth that supports life |
| COMMENSALISM | A type of symbiotic relationship in which one organism benefits and the other is unaffected |
| ECOSYSTEM | All the living organism that live in an area and the nonliving features of their environment |
| HABITAT | Place where an organism lives |
| LIMITING FACTOR | Anything that can restrict the size of the population |
| MUTUALISM | A type of symbiotic relationship in which both organisms benefit |
| NICHE | Refers to the unique ways an organism survives |
| PARASITISM | A type of symbiotic relationship in which one organism benefits and the other is harmed |
| POPULATION | All the organisms that belong to the same species living in a community |
| SYMBIOSIS | Any close relationship between species |
