The first to have heterodont teeth were the
A) sea urchins
B) mammals
C) birds
D) reptiles
Correct Answer:
Verified
Q30: Earliest mammals probably showed all of the
Q31: The first animals in the Cambrian had
A)
Q32: The Changjiang Formation is important because it
A)
Q33: Which was not in the human lineage?
A)
Q34: Which of these was the first amniote?
A)
Q36: Prokaroytes can be said to have all
Q37: A tetrapod is defined as an animal
Q38: Therapsids are transitional between
A) amphibians and reptiles
B)
Q39: Angiosperms differ from earlier plants because they
Q40: Because of the earliest dates of fossil
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