Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 31 - 31.1 - Concept Check: 2

Answer

The derived traits would be ones which switched the fungus to mutualism from the parasitism of its ancestors. These could include loss of parasitic removal of nutrients from the host and evolution of traits to share something with the host.

Work Step by Step

The key here is to see the evolutionary shift from parasitism to mutualism. Imagine what changes would occur in moving from one lifestyle to another.
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