Two different species can not live for long duration in the same niche or habitat. This law is
A
Allen's law
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B
Bergmann's rules
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C
Competitive exclusion principle
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D
Weismann's theory
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Solution
The correct option is C Competitive exclusion principle In ecology, the competitive exclusion principle, sometimes referred to as Gause's law of competitive exclusion is a proposition that states that two species competing for the same resource cannot coexist at constant population values, if other ecological factors remain constant.