Which  of  the  following  is the most important  cause of animals and plants being driven to extinction?

Habitat loss and fragmentation is the most important cause of animals and plants being driven to extinction.The accelerated rates of species extinctions that the world is facing now are largely due to human activities. There are four major causes called ‘The Evil Quartet’. It includes habitat loss and fragmentation, co-extinctions, over-exploitation, and alien species invasion are other reasons for the extinction of many animals.