Environmental Science for AP* (2nd Edition)

Published by W. H. Freeman
ISBN 10: 1464108684
ISBN 13: 978-1-46410-868-6

Chapter 11 - Module 31 - Human Nutritional Needs - AP Review Questions - Page 362: 5


Three species of plants contribute to over 60 percent of human energy intake.

Work Step by Step

Just three edible plant species--corn, rice, and wheat--constitute 60 percent of human energy intake.
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