Question

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

• A. Alien species invasion
• B. Habitat loss and fragmentation
• C. Drought and floods
• D. Economic exploitation

Answer 1

The correct option is B Habitat loss and fragmentation

There are four major causes of animals and plants being driven to extinction - (i) habitat loss and fragmentation, (ii) overexploitation, (iii) alien species invasion and (iv) co-extinction.
Among them, habitat loss and fragmentation is the most important cause of animals and plants being driven to extinction. Habitat loss and fragmentation is identified as the main threat to 85% of all species described in the IUCN's Red List.