There are four major causes of acceleration rates of specie…

Biology Biodiversity and Conservation Biodiversity: Levels and Patterns Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

There are four major causes of acceleration rates of species extinction, which are collectively

called as 'evil quartet'. Which of the following is not included in the evil quartet?

Over – exploitation

Pollution

Co – extinctions

Alien species invasions

Text Solution

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The correct answer is:

The “Evil Quartet”, proposed by Paul Ehrlich, identifies the four major causes of accelerated species extinction:

Over-exploitation

Habitat loss and fragmentation

Alien species invasions

Co-extinctions

Pollution is not part of the Evil Quartet, though it can also threaten species

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