How many species of birds are present in Greenland at $71^o\, N$?

What is the estimated number of species of invertebrates,vertebrates,and plants in global biodiversity?

Which criterion can be used to measure the number of prokaryotes?

India has $.......$ $\%$ of the world's land area,its share of the global species diversity is an impressive $.......$ $\%$ .

According to the $IUCN$ Red List $(2004)$, $784$ species have become extinct in the last $500$ years. Match the extinct species given in Column-$I$ with their respective numbers in Column-$II$.

Column-$I$	Column-$II$
$(P)$ Vertebrates	$(I)$ $338$
$(Q)$ Invertebrates	$(II)$ $87$
$(R)$ Plants	$(III)$ $359$

Describe the biodiversity found in India.