AP Biologyeasymcq1 pt

The competitive exclusion principle states that two species

A.cannot occupy the same niche indefinitely
B.always coexist peacefully
C.must be predators of each other
D.cannot live in the same ecosystem

Explanation

Core Concept

If two species need identical resources in identical ways, one eventually outcompetes the other — or niche partitioning lets them coexist.

Correct Answer

Acannot occupy the same niche indefinitely

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