Chapter 53 community ecology ashitha rajeurs.

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Presentation transcript:

chapter 53 community ecology ashitha rajeurs

what is a community? an organism’s environment includes biotic factors: other individuals of the same species as well as individuals of other species define community interactions: competition, predation, herbivory, symbiosis, and disease

competition interspecific competition occurs when species compete for a particular resource that is in short supply. - examples? leads to competitive exclusion - principle

Competition (continued) ecological niche fundamental niche vs. realized niche resource partitioning character displacement

predation what is it? adaptations of predators defensive adaptations - coloration (cryptic vs. aposematic) - mimicry (Batesian vs. Mullerian)

herbivory What is it? adaptations - examples

parasitism define. endoparasites vs. ectoparasites parasitoidism characteristics of some parasites

disease pathogens - compare/contrast to parasites examples

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