Biology (11th Edition)

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

Chapter 57 - Dynamics of Ecosystems - Figure 57.18 - Inquiry Question: 1

Answer

With secondary carnivores, primary carnivores would increase less because they were being eaten, and herbivores would increase more because their predators were being consumed. More herbivores would eat more algae, reducing algal biomass.

Work Step by Step

This is simply a matter of tracing the effects of a change at one trophic level through all other levels in an ecosystem--a way of looking at a trophic cascade.
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