Compare and Contrast the insitu and exsitu conservation. (or) What are the differences between in-situ and ex-situ conservation ?

What are called endangered species? 

Why do we find a decrease in biodiversity distribution, if we move from the tropics towards the poles?

What are the factors that drive habitat loss?

Alien species invasion is a threat to endemic species – substantiate this statement.

Mention the major threats to biodiversity caused by human activities. Explain.