Question

According to Robert May’s scientifically sound estimate the number of global species diversity is about

• A. 20 to 50 million
• B. 1.5 to 1.7 million
• C. 7 million
• D. 22 million

Answer 1

The correct option is C 7 million

As per R. May, global species diversity is about 7 million. While other scientists believe it would range from 20-50 million. Currently known and described species range between 1.7-1.8 million.