Amongst animals,insects comprise

What accounts for the greater ecological diversity of India?

Species richness is maximum:

According to the representation of global biodiversity proportions for the number of species of major taxa of vertebrates,select the appropriate option for the labels $X$,$Y$,and $Z$ in the given figure.

Which part of the world has a high diversity of organisms?

The forests play an important role in the well-being of seven billion inhabitants of the world,of which ........... people directly depend on forests for their livelihood.