Which of the following represent the maximum number of species among global biodiversity?

In India, we find mangoes with different flavours, colours, fibre content, sugar content and even shelf-life. The large variation is on account of

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

What is $\beta$ (beta) diversity?

Match the biodiversity found in the Amazonian rainforest of South America with their respective counts.

List-$I$	List-$II$
$(a)$ Plants	$(1)$ $1,25,000$
$(b)$ Mammals	$(2)$ $427$
$(c)$ Reptiles	$(3)$ $40,000$
$(d)$ Invertebrates	$(4)$ $378$

The exploration of molecular,genetic,and species-level diversity for products of economic importance is known as $..............$