In the tropics,the rate of extinction is

$A$: Taxonomic diversity represents the maximum level of species diversity.
$R$: It represents species of taxonomically different groups occurring in equal balance.

The term 'biodiversity' was popularized by which of the following scientists?

$A$ strict protection of biodiversity hotspots could reduce the ongoing mass extinction by almost (in $\%$)

Study the following pie chart regarding the global diversity of plants and select the correct option.

The value of the global Gross National Product $(GNP)$ is $..........$.