Question

According to scientists, approximately _______ species exist on earth today.

a. 530 million
b. 1.8 million
c. 30 billion
d. 530 billion
e. 10,000

Answer 1

So far there are 5-30 million discovered species on Earth. Researchers have invested hundreds of years attempting to list all the diverse species on Earth, yet as per a current report, under 15 percent of the 8.7 million species have been found. Yes, evidently 86 percent of the planet's species are as yet obscure to us.