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
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Chapter 24 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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- What biological materials are the most likely to fossilize?arrow_forwardWhich of the following periods is the earliest during which animals may have appeared? a. Ordovician period b. Cambrian period c. Ediacaran period d. Cryogenian periodarrow_forwardDuring what era did pangs begin to break up? A. Cretaceous B. Triassicarrow_forward
- what geology was occuring aroung the cambrian explosion that may have contributed to this diversification of life?arrow_forwardWhy is animal evolution during the early Cambrian referred to as an “explosion”?arrow_forwardIn what important ways did invertebrate life change between Ordovician time and Devonian time?arrow_forward
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