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Selectivity of nest among cavity-nesting songbirds communities, grass types of grazing bison and pronghorn antelope species, and stomach examination of brown, brook trout in streams where they coexist.
Community ecology is the study of how communities assemblages of interdependent populations of the species residing in a specific area or habitat are structured and operate.
Species populations interact with one another to create biological communities. What is meant by the term "biodiversity" is exemplified by the sheer number of interacting species in these communities and the complexity of their relationships. As species interact, food chains, food webs, guilds, and other interacting webs are formed, which give rise to structures within communities. These connections alter over the course of evolution as species coevolve together and adapt to one another. Below are descriptions of the general organization of biological communities, the structure of interspecific interactions, and the impacts that the coevolutionary process has on the biological community.
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