Approximately what proportion of all species that ever existed on earth are still in existence?
A) about 61%
B) about 31%
C) about 4.5%
D) less than 1%
E) about 9%

Name: Approximately what proportion of all species that ever existed on earth are still in existence? A) about 61% B) about 31% C) about 4.5% D) less than 1% E) about 9%
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It is estimated that over 99% of all species that ever existed on Earth are now extinct, leaving less than 1% still in existence today.

Approximately What Proportion of All Species That Ever Existed on Earth