The Phanerozoic Is A(n)

Q93: Wood from an ancient stump has a

Q94: Archaeopteryx fossils are those of a prehistoric<br>A)

Q95: The Eocene is a(n)<br>A) epoch.<br>B) era.<br>C) eon.<br>D)

Q96: The _ states that an igneous rock

Q97: An important radiometric dating process is the

Q99: The Holocene epoch began when<br>A) the glaciers

Q100: The earliest evidence of prehistoric life is

Q101: The Holocene is a(n)<br>A) epoch.<br>B) era.<br>C) eon.<br>D)

Q102: Eons are divided first into<br>A) eras.<br>B) periods.<br>C)

Q103: Sea lilies are more scientifically called _.