The Paleozoic era began about how many million years ago?
A) 65
B) 545
C) 245
D) 3
Correct Answer:
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Q75: Which of the following eons is the
Q76: The oldest known fossils of the genus
Q77: Trilobites lived during which era?
A) Paleozoic
B) Cenozoic
C)
Q78: The Holocene epoch began when
A) the glaciers
Q79: Which of the following were marine invertebrates
Q81: The earliest evidence of prehistoric life is
Q82: The _ states that in a sequence
Q83: The study of fossils is called
A) paleontology.
B)
Q84: New material filling a mold forms a(n)
Q85: Any indication of prehistoric life preserved in
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