Only big animals face the threat of extinction.

Name at least seven wild animals of kangchenjunga National Park which face the danger of extinction.

What is mass extinction?

What are the factors for mass extinction?

what is meant by the term extinction?

The scientists believe that evolution is gradual. But extinction, part of evolutionary story, are 'sudden' and 'abrupt' and also group- specific. Comment whether a natural disaster can be the cause for extinction of species.

Define extinction. List the causes of extinction.