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Ch. 20 Sec. 2
Chapter 20 Section 2 Terms
| Term | Definition |
|---|---|
| Species Richness | The number of different species in an area or community |
| Species Evenness | A measure of the relative abundance of each species in an ecological community |
| Species-area effect | A pattern in which that number of species in an area increases as the area increases |
| Disturbance | In ecology, an event that changes a community by removing or destroying organisms or altering resource availability. |
| Stability | The tendency of a community to maintain a relatively constant structure |
| Ecological Succession | A gradual process of change and replacement in a community. |
| Primary Succession | Succession that begins in an area that previously did not support life. |
| Secondary Succession | The process by which one community replaces another community that has been partially or totally destroyed. |
| Pioneer Species | A species that colonizes an uninhabited area and that starts an ecological cycle in which many other species become established. |
| Climax Community | A community that, after a process of ecological succession, has reached a generally stable state. |
Created by:
GarciaC17
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