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Gause's competitive exclusion principle says two closely related species competing for the same resources cannot:
ACompete inexpensively
BCooperate independently
CCommunicate ineffectively
DCo-exist indefinitely
Answer & Solution
Correct answer: D. Co-exist indefinitely
1. Two species needing exactly the same resources are in direct conflict.
2. The principle states what that conflict must lead to.
3. They cannot co-exist indefinitely.
4. The competitively inferior one will be eliminated eventually.
_Source: NCERT Class XII Biology, Ch 11 'Organisms and Populations'_
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