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ch 20.2

community ecology

QuestionAnswer
species richness the number of species in a community
species evenness the relative abundance of each species
species area effect the idea that larger areas contain more species than smaller areas do.
disturbances events that change,destroy,or alter resource availability in communities.
stability the tendency of a community to maintain relatively constant conditions.
ecological succession the gradual, sequencial regrowth of a community of soecies in an area.
primary succession development of a community in an area that has not supported life previously.
secondary succession sequencial replacement of species that follows disruption of a existing community.
pioneer species a species that are small grow quickly and reproduce quickly.
climax community a community at its stable endpoint
Created by: harrisa15
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