Multiple Choice
During the _______ period, fishes diversified and evolved jaws; club mosses, horsetails, and tree ferns became common; the earliest insects and terrestrial vertebrates arose; and there was a mass extinction at the end of the period that may have been caused by meteorites.
A) Precambrian
B) Devonian
C) Triassic
D) Silurian
E) Quaternary
Correct Answer:

Verified
Correct Answer:
Verified
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