The table below gives the populations (in thousands) of ten species $(A-J)$ in four areas (a-d) consisting of the number of habitats given within brackets against each. Study the table and answer the question which follows:
Which area out of a to d shows maximum species diversity?

Habitat is the place where an organism live. Population has been defined as a collective group of organisms of the same species occupying a particular place at a particular time. In the given table the area $\mathrm{d}$ has maximum species diversity, as there are 10 species (A-J) reside in 12 habitats, while in area $c$ the 10 species reside in 13 habitats so, exhibit less diversity than area $d$.