Extinction abetted by human activities is called

Select the incorrect option for water hyacinth (Eichhornia crassipes).

Clarias gariepinus is harmful to which organism?

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.

Which of the following is the most important cause for the extinction of animals and plants?

Describe various causes of biodiversity losses in detail.