Q. As estimated by Robert May, what is total number of species present on earth?
A) 3 million
B) 5 million
C) 7 million
D) 9 million
Explanation
A more conservative and scientifically sound estimate made by Robert May, places the global species diversity at about 7 million
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.