Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 19, History of Life - Assessment - 19.1 The Fossil Record - Understand Key Concepts/Think Critically - Page 566: 9

Answer

The environment has been affected by the activities of the organisms. For examples, nitrogen fixation bacteria improved the fertility of land by converting atmospheric nitrogen to nitrates in soil, humans polluted the environment, etc.

Work Step by Step

The environment has been affected by the activities of the organisms. For examples, nitrogen fixation bacteria improved the fertility of land by converting atmospheric nitrogen to nitrates in soil, humans polluted the environment, etc.
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