The 'Evil Quartet' represents the major causes of

Extinction abetted by human activities is called

Assertion: Tropical rain forests are disappearing fast from developing countries such as India.
Reason: No value is attached to these forests because these are poor in biodiversity.

Give scientific reasons: Habitat loss is the most important cause of the extinction of our wildlife.

What is the cause of genetic erosion?

Choose the correct option for Parthenium (carrot grass).