What percentage of the species that have ever lived have become extinct?
A) 1%
B) 9%
C) 50%
D) 75%
E) 99%

Name: What percentage of the species that have ever lived have become extinct? A) 1% B) 9% C) 50% D) 75% E) 99%
Brand: Quizplus
Rating: 4.9 (32 reviews)

Question

Quizplus · Accepted Answer

It is estimated that about 99% of all species that have ever lived on Earth are now extinct. This high percentage reflects the vast number of species that have existed over the planet's history and the natural process of extinction.

What Percentage of the Species That Have Ever Lived Have