Multiple Choice
A mass extinction perhaps caused by a large asteroid hitting Earth near the Yucatan peninsula occurred during the:
A) Cretaceous period
B) Jurassic period
C) Triassic period
D) Permian period
E) Cambrian period
Correct Answer:

Verified
Correct Answer:
Verified
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Q21: The Cenozoic era consists of the:<br>A)Triassic and
Q22: The only living member of the genus
Q23: To determine the sequence of Clint the
Q24: Primitive reptiles first appeared during the:<br>A)Cambrian period<br>B)Ordovician
Q25: The geologic timescale is divided into eons,eras,periods,and
Q26: The swinging from one arm to the
Q28: Clues from geology and paleontology suggest that
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Q30: It is thought that the first multicellular