According to the IUCN, the total number of plant and animal species is about:-
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → 1.5 million
According to the IUCN (2004), the total number of plant and animal species described so far is slightly more than 1.5 million. Robert May’s estimate of the total number of species on earth, described or not, is much larger: about 7 million.
NCERT Extract:
Biodiversity – …
