The Cenozoic Is A(n)

Q20: The Pleistocene is a(n)<br>A) epoch.<br>B) era.<br>C) eon.<br>D)

Q21: The study of fossils is called _.

Q22: Potassium-40, one of the six major radionuclides

Q23: The periods of the Cenozoic era are

Q24: The Jurassic period is part of the

Q26: The Paleozoic is a(n)<br>A) epoch.<br>B) era.<br>C) eon.<br>D)

Q27: The study of fossils is called<br>A) paleontology.<br>B)

Q28: The oldest known fossils of the genus

Q29: The Paleozoic era ended with an event

Q30: Which occurrence is associated with the demise