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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 21, Problem 1CT
Textbook Problem
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Which groups or protists would you be most likely to find as fossils? Why?

Summary Introduction

To explain: The group of protists that would be most likely to find as fossils with reasons.

Concept introduction: The eukaryotic fossils began to appear at about 1.8 billion years ago. Most of the protists neither have hard portions or resistant spores, and the fossils of such protists are extremely rare or unknown. Some of these protists have been found preserved in fossilized tree resin or under unusual conditions. The fossils of the protists with hard portions or resistant spores are known.

Explanation of Solution

The protists that most likely leave their imprint as fossils would be the organisms with rigid portions and resistant spores that would survive fossilization. The protists like diatoms and some foraminiferan shells have been viewed as fossil remains. The protists like amoebae would be unsuitable for the formation of fossils because of their soft exterior shells...

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