According to May's global estimates how many species of plants and animals, respectively, are yet to be discovered and described from India ?

How many species of plants and animals have been named so far?

How many species of plants and animals have been named so far?

Why are many species of plants and animals getting (becoming extinct ?

How many species from world and India, respectively, facing the threat of extinction?

Why are many species of plants and animals getting (becoming) extinct?

Applying the Robert May's global estimate more than ______________ plant species and more than ______________ animals species is yet to be discovered and described in India .

According to one estimate, how many species on the earth have so far been scientifically described?