About the total number of species present on earth, a more conservative and scientifically sound estimate made by

What is the total number of species present on earth as estimated by Robert May ?

Total number of living species

Which of the following statements regarding the estimates of number of species found on earth is not correct ? (a) Total number of species present on earth are considered to be about 7 million as estimated by Robert May. (b) Plants constitute more than 70% of all the species recorded, whereas animals constitute less than 22% of the total number of species. (c) Insects constitute more than 70% of all the animal species. (d) None of these

Which of the following statements regarding the estimates of number of species found on earth is not correct ? (a) Total number of species present on earth are considered to be about 7 million as estimated by Robert May. (b) Plants constitute more than 70% of all the species recorded, whereas animals constitute less than 22% of the total number of species. (c) Insects constitute more than 70% of all the animal species. (d) None of these

A more conservative and scientifically sound estimate about the total number of species present on earth, was made by (a) Robert May (b) Paul Ehrlich (c) David Tilman (d) Both A and B

A more conservative and scientifically sound estimate about the total number of species present on earth, was made by (a) Robert May (b) Paul Ehrlich (c) David Tilman (d) Both A and B