Gause`s competitive exclusion principle states that two species:

by

Gause`s competitive exclusion principle states that two species:

can coexist if they occupy the same niche.
cannot coexist if they occupy the same niche.
cannot coexist if they occupy the adjacent niches.
can coexist if they occupy similar niches.
This question was previously asked in
UPSC Geoscientist – 2020
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Gause’s competitive exclusion principle states that two species cannot coexist if they occupy the same niche.
Also known as the principle of competitive exclusion, it posits that if two species compete for the identical set of resources (occupy the same niche), one will inevitably outcompete the other, leading to the local extinction of the less competitive species.
This principle highlights the importance of niche differentiation for the stable coexistence of competing species in an ecological community. Species that coexist typically do so by utilizing different resources or occupying different microhabitats.

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