Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 18, Problem 3RQ
Summary Introduction
To explain: The hydrostatic skeleton.
Introduction: Ecdysozoans are a group of protostome animals that include nematodes, arthropods, and numerous smaller phyla. They have a notable characteristic in which they possess a three-layered cuticle that is molted periodically as the animal grows.
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Loose Leaf For Integrated Principles Of Zoology
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