Why India is called Mega Bio Diversity Nation ?

                                                   

India is one among the 12 mega-diversity countries in the world. It has 89,450 animal species accounting for 7.31% of the global faunal species and 47,000 plant species which accounts for 10.8% of the world floral species. The loss of biodiversity or endemim is about 33% 

Distribution of species in some Groups of flora and fauna in India .

Fungi            - 23000 species 

Bacteria        - 850 species

Algae            - 2500 species 

Bryophytes   - 2564 species

Gymnosperms - 64 species

Pteridophytes  - 1022 species 

Angiosperms   - 15,000 species

Mollusca         - 5042 species 

Lower groups  - 9979 species 

Arthropoda      - 57525 species

Amphibia        - 2546 species 

Birds               - 1228 species 

Reptiles           - 428 species 

Mammals        - 372 species