Question

what is the evil quartet​

Answer 1

Co-extinction, proto-cooperation, over exploitation, predation, endemism, alien-species, invasion, habitat loss and fragmentation. There are four major causes of accelerated rates of species extinction, which are collectively called as 'the evil quartet'.

Answer 2

The world is facing an accelerated rate of extinction of species mainly due to human activities. The four major causes of loss of diversity are known as “The Evil Quartet