What is Life? A Guide to Biology with Physiology
What is Life? A Guide to Biology with Physiology
3rd Edition
ISBN: 9781464157745
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 10, Problem 1SA
Summary Introduction

To review:

The groups of organisms currently living on earth that most resemble the earliest life forms.

Introduction:

The first life forms were primitive single cells, with genetic material and only an outer lipid membrane.

Expert Solution & Answer
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Explanation of Solution

The first life forms were similar to today’s prokaryotes. They were prokaryotic cells, with macromolecules inside them, having no membrane bound structures. Fossils of such life forms have been found in Australia and South Africa.

Conclusion

The prokaryotes currently living on earth are most similar to the earliest life forms.

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