According to IUCN (2004), 1.5 million of plants and animals are in our biosphere.
- Robert May places global species diversity at about 7 millions.
- More than 70 percent of all the species recorded are animals.
- All plants constitute about 22 percent.
- Among animals insects constitute 70 percent.
- India has only 2.4 percent of the world‘s land area; its share of global species diversity is impressive 8.1 percent.
- India is considered one of the mega diversity countries of the world.
