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Unformatted text preview: 3. Species interact with each other in these different ways: interspecific competition, predation, parasitism, mutualism, and commensalism. 4. As environmental conditions change, one species may be replaced by other groups of species. This gradual change in the composition of species in a given area is called ecological succession. 5. A community has three aspects of sustaining itself: its persistence, the ability to resist being altered, its constant population, and its resilience in repairing damage. High biodiversity may give a community some edge in surviving, but we do not know this for certain....
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- Spring '09