A) 0.5--1.0 million
B) 1.1-1.2 million
C) 1.7-1,8 million
D) 2.5-3.0 million
Correct Answer: C
Solution :
Currently known species of all organisms are between 1.7-1.8 million with 61% of species of insects. Approximately 15,000 new species are discovered per year.
You need to login to perform this action.
You will be redirected in
3 sec
