The competitive exclusion principle states that A) two species cannot coexist in the same habitat. B) competition between two species always causes extinction or emigration of one species. C) competition in a population promotes survival of the best-adapted individuals. D) two species with the exact same niche cannot coexist in a community. E) species that compete usually coevolve.

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Braedon Salas

Biology

6 June, 19:46

The competitive exclusion principle states that A) two species cannot coexist in the same habitat. B) competition between two species always causes extinction or emigration of one species. C) competition in a population promotes survival of the best-adapted individuals. D) two species with the exact same niche cannot coexist in a community. E) species that compete usually coevolve.

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Mollie Sherman · Answer 1

The competitive exclusion principle states that D) two species with the exact same niche cannot coexist in a community.

This is because they would be both fighting for the same resource and therefore one species would starve the other species out or destroy the other species.