Biology: Life on Earth Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
Biology: Life on Earth Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
11th Edition
ISBN: 9780134153742
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 24, Problem 7RQ
Summary Introduction

To review:

Three functions of water-vascular system of echinoderms.

Introduction:

Echinoderms consist of animals like sea urchins, starfish, and sea lilies. The bumps and spines extending from the skin of these animals is a characteristic feature of these animals. Another feature of these animals is tiny-tube feet. These feet are part of the water-vascular system.

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