The estimated 10 million species that exist today are thought to represent approximately ________ of the species that have ever existed on Earth.
A) 80%
B) 10%
C) 1%
D) 0.0001%

Question

Quizplus · Accepted Answer

It is estimated that over 99% of all species that have ever existed on Earth are now extinct, meaning the currently known 10 million species represent only around 1% of the total number of species that have ever lived.

The Estimated 10 Million Species That Exist Today Are Thought