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

What percentage of the total oxygen in the Earth's atmosphere is produced by the Amazon rainforest (in $\%$)?

Describe biodiversity.

Where are the Cardamom Hills located?

The state of Gujarat has river,desert,forest,and lake ecosystems,thus exhibiting a diversity of life. Which measure do you use to denote total diversity in such a case?

Which part of the world has a high density of organisms?