What percent of all species that have existed have gone extinct?
A) 10
B) 25
C) 55
D) 75
E) 99

Question

Quizplus · Accepted Answer

It is estimated that over 99% of all species that have ever lived on Earth are now extinct. This is due to a variety of factors such as natural disasters, climate change, and human impact on the environment. The process of extinction is a natural part of evolution, but the current rate of extinction is much higher than the natural rate, primarily due to human activities.

What Percent of All Species That Have Existed Have Gone