Biology 2010 Student Edition

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

Chapter 8, Photosynthesis - Assessment - 8.1 Energy and Life - Understand Key Concepts/Think Critically - Page 244: 5


Autotrophs make their own source of energy whereas heterotrophs must consume other organisms for their energy needs.

Work Step by Step

Plants, some protists, and some bacteria are autotrophs because they can make their own source of energy (glucose) by harnessing the energy from the sun or from chemicals. Heterotrophs, on the other hand, must rely on consuming autotrophs, other heterotrophs, or dead organisms to obtain their source of energy.
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