Multiple Choice
The time in the history of Earth when evolution was progressing at the most rapid rate, as evidenced by fossils such as those of the Burgess Shale, is the:
A) Cambrian period.
B) Ordovician period.
C) Silurian period.
D) Devonian period.
E) Carboniferous period.
Correct Answer:

Verified
Correct Answer:
Verified
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