Commensalism• One species benefits, the other is “neutral”
Competition• Results from niche overlap- use of same limited resource by 2 or more SPECIES.• Competitive Exclusion – 1 species uses resource and other is eliminated (NS)• Character Displacement – Evolution of anatomical differences that reduce competition between similar species.• Resource Partitioning- reduced competition.
Succession- gradual sequential growth of species in an area• Primary Succession – Development of a community in an area that has not supported life previously.• Secondary Succession – DUH! Sequential replacement of species that follows a disruption of an existing community.• Pioneer Species – predominate early in succession, tend to be small, fast-growing, fast reproducing.• Climax community –DUH!
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