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The top documents tagged [burgess shale animals]
Origin of Animals and Diversification of Body Plans
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EARLY PALEOZOIC LIFE Advent of the Metazoans Multicellular organisms begin to become common in fossil record of Neoproterozoic Fossils found on every continent
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Life in the Paleozoic Era Chapter 13 Section 2. The Cambrian Period The Cambrian Explosion: a span of about 15 million years when many new types of invertebrates
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Chapter 29- Comparing Invertebrates. I. Invertebrate Evolution A. Origin of the Invertebrates 1. Invertebrates fossils have been found to date between
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