The Paleozoic Era Ended with an Event Called the

Q24: The Jurassic period is part of the

Q25: The Cenozoic is a(n)<br>A) epoch.<br>B) era.<br>C) eon.<br>D)

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

Q30: Which occurrence is associated with the demise

Q31: We live in the period called the<br>A)

Q32: The smallest units of geologic time are

Q33: Eras are divided first into<br>A) epochs.<br>B) millennia.<br>C)

Q34: Geologists think that Earth is how old?<br>A)