Question

What is the difference bertween vulnerable species and rare species and also endemic species?

Answer 1

vulnerable species are those species which are in danger of moving into the endangered species category because of their declined populations.for example : Asiatic elephants,etc.
Rare species are those with small population.
Endemic species are those that are found in only some particular areas which are usually isolated.e.g.nicobar pigeon,etc.

Hope it helps you