Question

Which one of the following is said to be the most important cause or reason for the extinction of animals and plants?

(a) Loss of habitat and fragmentation

(b) Over-exploitation of species

(c) Invasion of alien species

(d) Co-extinctions

This question was addressed to me in final exam.

This intriguing question originated from Causes of Biodiversity Losses in portion Biodiversity and Conservation of Biology – Class 12

Answer 1

The correct answer is (a) Loss of habitat and fragmentation

To explain: The most important reason for the extinction of animals and plants is the loss of habitat and fragmentation. Habitat loss due to destruction, fragmentation, or degradation of habitat makes natural habitat incapable of supporting its native species.