Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 33 - 33.5 - Concept Check - Page 713: 1

Answer

The tube feet of sea stars use the pumping of water in the ampulla to cause the podium to touch the substrate. This then secretes adhesive chemicals to temporarily glue the podium to the substrate.

Work Step by Step

The working of tube feet is described in Fig. 33.42. These feet use the movement of water from the water vascular system to move the feet and chemical glues to attach to the substrate.
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