The total number of biodiversity hotspots currently identified worldwide is $.........$.

Statement $A$: As moving from equator to polar region,species diversity decreases.
Statement $R$: Amazon rain forest of South America has less biodiversity.

The term Biodiversity is popularized by . . . . . . .

How many genetically different strains of rice are there in India?

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

Which of the following is correctly matched?
$I$. Alpha diversity - Number of species in a given habitat
$II$. Genetic diversity - Variation of the genes within species
$III$. Beta diversity - Diversity of the habitat in the whole region
$IV$. Species diversity - Product of the species richness and evenness