Western Ghats have a large number of plant and animal species that are not found anywhere else. Which of the following terms will you use to notify such species?

The endangered largest lemur,$Indri$ $indri$,is native to which of the following regions?

Tropical regions show the greatest level of species richness because:
$A$. Tropical latitudes have remained relatively undisturbed for millions of years,hence more time was available for species diversification.
$B$. Tropical environments are more seasonal.
$C$. More solar energy is available in the tropics.
$D$. Constant environments promote niche specialization.
$E$. Tropical environments are constant and predictable.
Choose the correct answer from the options given below.

Which of the following regions is a biodiversity hotspot in India?

Which among the following shows highest amphibian species diversity?

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