Q: Gause’s competitive exclusion principle states that two species:
(a)can coexist if they occupy the same niche.
(b)cannot coexist if they occupy the same niche.
(c)cannot coexist if they occupy the adjacent niches.
(d)can coexist if they occupy similar niches.
Correct Answer: (b)
The correct answer is (b) 'cannot coexist if they occupy the same niche.'. This question from the Environment & Ecology domain tests knowledge of Ecosystems & Ecology Concepts.