Tropical rain forests are found in

Give scientific reasons: It is difficult to estimate global diversity for prokaryotes.

Within biological communities,some species are important in determining the ability of a large number of other species to persist in the community. Such species are called

State the contribution of the following scientists:
$(i)$ Edward Wilson
$(ii)$ Robert May

The term 'biodiversity' was popularized by which of the following scientists?

More than half of the earth's flora and fauna is found in