Biology: The Unity and Diversity of Life (MindTap Course List)
Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 24, Problem 9SQ
Summary Introduction

To explain: Whether the Ediacarans evolved before or after the Cambrian.

Concept introduction: Geological time scale splits the existence of the Earth and its life forms from the time of origin till date into eons, eras, periods and epochs. Each part of the geological time scale has its specific time period. It helps to study the time of origin of each organism and also the pattern of speciation. Ediacarans are early animals, whose fossils were collected from Ediacara hills of Australia.

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