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    Biology
  3. Study Set
    Campbell Biology
  4. Exam
    Exam 34: The Origin and Evolution of Vertebrates
  5. Question
    A Trend First Observed in the Evolution of the Earliest
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A Trend First Observed in the Evolution of the Earliest

Question 80

Question 80

Multiple Choice

A trend first observed in the evolution of the earliest tetrapods was ________.


A) the appearance of jaws
B) feet with digits
C) the mineralization of the endoskeleton
D) the amniotic egg

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