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    Geology/Geography/Oceanography/Atmospheric Sciences
  3. Study Set
    Living in the Environment
  4. Exam
    Exam 12: Sustaining Biodiversity: the Species Approach
  5. Question
    What Percentage of All Species That Ever Existed Are Now
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What Percentage of All Species That Ever Existed Are Now

Question 53

Question 53

Multiple Choice

What percentage of all species that ever existed are now extinct? 


A)  99.9% 
B)  85% 
C)  60% 
D)  30%

Correct Answer:

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