2. The Paleozoic Era extended over which of the following time periods in the fossil record? A. the Cenozoic Era, from the end of the Cretaceous into the Tertiary and Quaternary Periods B. the "age of reptiles", from 251 million years ago to 65 million years ago C. the "age of birds and mammals", from 65 million years ago to the present day D. the "age of fishes", from 542 million years ago to 251 million years ago E. the Mesozoic Era, from the start of the Triassic into the Cretaceous Period
2. The Paleozoic Era extended over which of the following time periods in the fossil record? A. the Cenozoic Era, from the end of the Cretaceous into the Tertiary and Quaternary Periods B. the "age of reptiles", from 251 million years ago to 65 million years ago C. the "age of birds and mammals", from 65 million years ago to the present day D. the "age of fishes", from 542 million years ago to 251 million years ago E. the Mesozoic Era, from the start of the Triassic into the Cretaceous Period
Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter23: Principles Of Evolution
Section: Chapter Questions
Problem 5SQ
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