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RChapter 20 Section2

QuestionAnswer
Species Richness The number of different species in an area or community
Species Evenness A measure of the relative abundanceof each species in an ecological community
Species-Area Effect A pattern in which the number of species in an area increases as the area increases
Disturbance An event that changes the communtiy by removing or destroying organisms or altering rescourse avalibility
Stability The tendency of a cummunity to maintain a relative 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 Sucession 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 Commmunity A final, stable community in equilibrium with the environment
Created by: brinkmanr15
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