Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 25 - Self-Quiz - Page 432: 1


The four distinguishing chordate traits are a notochord, a hollow dorsal nerve cord running parallel to the notochord, gill slits, and a post-anal tail.

Work Step by Step

These four traits are not necessarily found in the adult organism, but they are definitely seen in the embryos of chordates. The notochord is a stiff yet flexible structure that runs the entire length of the animal's body. The nerve cord can be found on the dorsal surface of the animal. Gill slits are narrow openings found in the area of the throat or pharynx. The tail is muscular and reaches beyond the anus.
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.