Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078024269
ISBN 13: 978-0-07802-426-9

Chapter 18 - Origin and History of Life - Engage - Thinking Scientifically - Page 336: 2

Answer

Chemical evolution refers to the process in which inorganic molecules are chemically altered to become organic molecules. Polymers then arose as the simple organic molecules linked together. Biological evolution occurred when membranes formed around organic polymers and the cells began to evolve into true living cells.

Work Step by Step

Chemical evolution refers to the process in which inorganic molecules are chemically altered to become organic molecules. Polymers then arose as the simple organic molecules linked together. Biological evolution occurred when membranes formed around organic polymers and the cells began to evolve into true living cells.
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