What is a keystone species?</h2></div>

Maximum genetic diversity of crop plants occurs where agriculture is</h2></div>

The Siberian crane from Russia is a regular visitor to the bird sanctuary in which place in India?</h2></div&gt…

Which of the following is the main reason for extinction of animals?</h2></div>

The method by which endangered plant species are conserved in a botanical garden or in some controlled circumstances is …

How many species of beetles are present on the Earth?

The term "the evil quarter" is related with four major causes of </h2></div>

Suggest two practices giving one example of each, that help protect rare or threatened species.</h2></div>