Multiple Choice
Which of the following lists of mass extinctions and eras is correct?
A) The Precambrian experienced 0,Paleozoic experienced 3,Mesozoic experienced 2,and the Cretaceous experienced 0 mass extinctions.
B) The Precambrian experienced 2,Paleozoic experienced 2,Mesozoic experienced 3,and the Cretaceous experienced 0 mass extinctions.
C) The Precambrian experienced 0,Paleozoic experienced 2,Mesozoic experienced 3,and the Cretaceous experienced 0 mass extinctions.
D) The Precambrian experienced 1,Paleozoic experienced 3,Mesozoic experienced 2,and the Cretaceous experienced 1 mass extinctions.
Correct Answer:

Verified
Correct Answer:
Verified
Q23: The Carboniferous Period is extremely significant to
Q24: The formation of the ozone shield during
Q25: Which of the following time periods contains
Q26: The first cells gave rise to<br>A)bacteria and
Q27: The first known multicellular organisms evolved approximately
Q29: _ proposed that polypeptides and RNA evolved
Q30: Which statement is NOT true about the
Q31: The lack of oxygen in the ancient
Q32: Which piece of evidence best supports the
Q33: If the hypothesis that protocells were based