The first true terrestrial land animals were the ______.
A) Precambrian
B) Paleozoic
C) Mammals
D) Amphibians
Correct Answer:
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Q115: The most common Precambrian rock type is
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A) stromatolites
B) eukaryotes
C)
Q121: The _period was the "golden age of
Q122: Examine Figure 12.12 below, which illustrates the
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