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in Biology by (53.8k points)

Competition for light, nutrients and space is most severe between

(a) closely related organisms growing in different niches

(b) closely related organisms growing in the same habitat

(c) distantly related organisms growing in the same habitat

(d) distantly related organisms growing in different niches

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1 Answer

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by (29.4k points)

Correct option (b) closely related organisms growing in the same habitat

Explanation:

Niche word was used for the first time by Joseph Grinnel (1917). Niche means functional role of an organism in an ecosystem. Competition becomes most severe between the closely related organisms which share same niche.

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