Approximately how many species have been identified on Earth?
A) about 500,000
B) a little less than 1 million
C) about 1.7 million
D) a little more than 10 million
E) about 30 million

Question

Quizplus · Accepted Answer

Scientists have identified approximately 1.7 million species on Earth. However, it is estimated that there may still be millions more species that have not yet been discovered or identified.

Approximately How Many Species Have Been Identified on Earth