Which of the following is not a cause for the loss of biodiversity?

1. Destruction of habitat
2. Invasion by alien species
3. Keeping animals in zoological parks
4. Over-exploitation of natural resources
Ans. (c) Keeping animals in zoological parks is not a cause for loss of biodiversity Some of the major causes of biodiversity loss are
(i)Destruction of natural habitat (primary cause)
(ii) Introduction of exotic (alien species) with indigenous species.
(iii) Overexploitation of natural resources.
(iv) Co-extinction of species.