Campbell Biology (10th Edition)

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

Chapter 26 - 26.3 - Concept Check: 1

Answer

Hair might or might not be useful. Having hair itself is not very useful since this defines mammals as separate from other organisms, but a special type of hair could be used to define one group of mammals apart from all others.

Work Step by Step

This question is helping you to see that a shared feature defines a group. Whether a feature can be used to define a group apart from the whole depends on the state of that character and how it is defined-- it must be different somehow in each group.
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.