Biology (11th Edition)

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

Chapter 33 - Animal Diversity and the Evolution of Body Plans - Review Questions - Synthesize: 1


Please see the image. This differs from Fig. 33.5: the body cavity should not, like any other one trait, be the exclusive data for building a phylogeny due to the possibility of parallel evolution of one trait causing confusion. ______

Work Step by Step

The particular kind of body cavity could evolve more than one, which is especially clear given what we know now about the genetics of development. So, any one trait could give a highly misleading phylogeny, and multiple traits need to be used to arrive at the evolutionary scenario which actually occurred.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.