Which best describes niches?

a. if two species have the same niche, one species will always become extinct.

b. two species are able to occupy the same niche in the same habitat.

c. two species cannot occupy the same niche in the same habitat.

d. if two species have the same niche, one species will always move.

The correct statement is option C.

Explanation:

Niche illustrates an array of environmental conditions where the specific species thrive within an ecosystem. On the basis of the Gause's law or the competitive exclusion principle, the two species cannot thrive in a similar niche in a similar habitat for a prolonged time duration.  

In case if such incidence takes place, then the organisms of both the species will compete with each other for the similar resources, which are present in the surroundings, and in the process, the one species will out-compete the other one, and thus, may result in the elimination of the other species. This is the reason that two species cannot live in the same niche in the same habitat.  

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what are the options