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Two different species can not live for long duration in the same niche or habitat. This law is

1. Allen's law
2. Gause's hypothesis
3. Dollo's rule
4. Weismann's theory

Correct answer: Gause's hypothesis

Solution

Gause's hypothesis, also called the competitive exclusion principle, says two species cannot stably occupy the same niche for long because one will outcompete the other. The other options refer to unrelated biological laws or theories.

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