CAMPBELL'S BIOLOGY MASTERING BIOLOGY
CAMPBELL'S BIOLOGY MASTERING BIOLOGY
12th Edition
ISBN: 9780135855843
Author: Urry
Publisher: PEARSON
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Chapter 32, Problem 3TYU
Summary Introduction

Introduction:

Cambrian explosion is the wave of animal diversification that came around 535-525 million years ago, that is, in the early Cambrian period.

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