Please answer the marked question.....

A mega-diverse country is one that harbors the majority of the Earth's species and is therefore considered extremely biodiverse. India is rich in biodiversity from north to south and from east to west. ... It has two global terrestrial biodiversity hot spots – the North-eastern States and the Western Ghats.

India is one of the 12 mega biodiversity countries in the world. The country is divided into 10 biogeographic regions. ... These are concentrated in the floristically rich areas of North-East India, the Western Ghats, North-West Himalayas and the Andaman and Nicobar Islands.

As India is very rich in the diversity of plants and animals, so it is called as mega diversity centre . Mega means large so mega diversity means a large number and wide range of species present in an ecosystem. As India is very rich in the diversity of plants and animals, So it is called as mega diversity centre.
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