EBK CAMPBELL BIOLOGY IN FOCUS
EBK CAMPBELL BIOLOGY IN FOCUS
2nd Edition
ISBN: 8220101459299
Author: Reece
Publisher: PEARSON
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Chapter 27.3, Problem 2CC

WHAT IF? Would it be accurate to describe the Cambrian explosion as consisting of three “explosions,” not one? Explain your reasoning and summarize the major steps in animal evolution shown in Figure 27.10.

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