Question

What is Evil Quartat?

Answer 1

the four major cause for loss of biodiversity is described as "evil quartet".
they are:
1.over-exploitation
2.co-extinction
3.habit loss and fragmentation
4.invasion of alien species

Answer 2

The evil quartet is habitat loss, overexploitation, invasive species and secondary extinction. It was proposed by Jared Diamond as the driver of human-caused extinction.

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