CUET Preparation Today
Which of the following is referred as " The Evil Quartet "with reference to loss of biodiversity ? |
Deforestation , habitat destruction, grazing, species richness . Extinction, species richness, erosion , decomposition. Habitat loss and fragmentation, co-extinctions, alien species invasions, over-exploitation. Over-exploitation, grazing, deforestation, extinction . |
Habitat loss and fragmentation, co-extinctions, alien species invasions, over-exploitation. |
The correct answer is Option (3) - Habitat loss and fragmentation, co-extinctions, alien species invasions, over-exploitation. The accelerated rates of species extinctions that the world is facing now are largely due to human activities. There are four major causes (‘ The Evil Quartet ’ is the sobriquet used to describe them). (i) Habitat loss and fragmentation (ii) Over-exploitation (iii) Alien species invasions (iv) Co-extinctions |
