| A | B |
|---|
| Biotic Factor | Biological infuence on organisms within an ecosystem |
| Abiotic Factor | Physical, or nonliving, factor that shapes an ecosystem |
| Niche | A full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions. |
| Competition | no two species can occupy the same exact niche in the same habitat at the same time. |
| Predation | interaction where one organism captures and feeds off of another organism. |
| Symbiosis | relationship where two species live closely together. |
| Mutalism | symbiotic relationship in which both species benefit from the relationship |
| Commensalism | symbiotic relationship in which one member of the association benefits and the other is neither helped or harmed |
| Paraitism | Symbiotic relationship in which one organism lives in or on another organism and often harms the Host |
| Pioneer Species | First species to populate an area during primary succession. |
| Primary Succession | succession that occurs on surface where no soil exsits. |
| Secondary Succession | Seccession following a disturbance that destroys a community without detroying the soil. |
