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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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Argentina Argentina
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6 years ago
Paleontologists and ecologists agree that ________.
 
  A) biodiversity is evenly spread over the earth's biomes
  B) 99 of all species that have ever existed are now extinct
  C) more than 99 of all species alive today have been discovered and described
  D) speciation is a major cause of biodiversity loss
  E) extinction is tied exclusively to human activities
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howdy95howdy95
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6 years ago
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Argentina Author
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6 years ago
Smart ... Thanks!
rudy.zondo
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Yesterday
This helped my grade so much Perfect
gefa
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2 hours ago
Thanks
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