Biology Biodiversity and Conservation Importance and Loss of Biodiversity Single Correct MCQ
Published on: August 12, 2026

In natural extinction of species

A
gradual replacement of existing species takes place
B
human activities play an active part
C
catastrophes, earthquakes and other natural calamities are involved
D
None of the above

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The correct answer is:
A

Natural extinction is a slow and continuous process where older species are gradually replaced by new ones through evolution.

involves human activities → this is not natural extinction

refers to mass extinction due to catastrophes, not normal natural extinction

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