A trend first observed in the evolution of the earliest tetrapods was
A) the appearance of jaws.
B) the appearance of bony vertebrae.
C) feet with digits.
D) the mineralization of the endoskeleton.
E) the amniotic egg.
Correct Answer:
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Q20: The feeding mode of the extinct conodonts
Q21: What should be true of fossils of
Q22: Why is the amniotic egg considered an
Q23: Which of these are amniotes?
A) amphibians
B) fishes
C)
Q24: Which of the following represents the strongest
Q26: For the following items, match the extant
Q27: Which of these would a paleontologist be
Q28: In which vertebrates is fertilization exclusively internal?
A)
Q29: Examination of the fossils of Archaeopteryx reveals
Q30: Which of the following are the most
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