Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 56 - Community Ecology - Review Questions - Understand: 6

Answer

D.

Work Step by Step

A.-C. have to do with trophic levels, while D., the correct answer, is something which transcends these levels and affects the whole ecosystem.
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