What percentage of all plant and animal life on planet earth is extinct?

1 Answer
Write your answer here...
Start with a one sentence answer
Then teach the underlying concepts
Don't copy without citing sources
preview
?

Answer

Write a one sentence answer...

Answer:

Explanation

Explain in detail...

Explanation:

I want someone to double check my answer

Describe your changes (optional) 200

1
S.S Share
Nov 11, 2016

Answer:

Including all species that have ever existed, #99%# are now extinct due to natural selection.

Was this helpful? Let the contributor know!
1500