Reptiles dominated the:
A) Proterozoic era.
B) Paleozoic era.
C) Mesozoic era.
D) Cenozoic era.
E) Triassic era.
Correct Answer:
Verified
Q51: The first fish:
A) were small and jawless
Q52: Not much physical evidence of life is
Q53: Mammal-like reptiles arose during the:
A) Carboniferous period.
B)
Q54: Figure 21-1
Use the figure to answer the
Q55: Figure 21-1
Use the figure to answer the
Q57: Vascular plants and air-breathing animals first appeared
Q58: Amphibians evolved directly from what ancestral organisms?
A)
Q59: Figure 21-2
Use the figure to answer the
Q60: Shallow seas covered much of the land
Q123: Fossil stromatolites are evidence that cells exited
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