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 22, Problem 6RQ
Summary Introduction
To determine: The action mechanism of tube feet in the sea star.
Introduction: The tube feet or cylindrical podia is connected to a series of small lateral canals, along the ambulacral groves through the radial canal. A podium is a hollow, muscular tube, with one end inside the body coelom and other end bearing the sucker. Its inner end consists of an ampulla- a muscular sac.
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Chapter 22 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 22 - Prob. 1RQCh. 22 - Prob. 2RQCh. 22 - How do we know that echinoderms were derived from...Ch. 22 - Prob. 4RQCh. 22 - Prob. 5RQCh. 22 - Prob. 6RQCh. 22 - What structures are involved in the following...Ch. 22 - Prob. 8RQCh. 22 - Prob. 9RQCh. 22 - Match groups in the left column with all correct...
Ch. 22 - Define the following: pedicellariae, madreporite,...Ch. 22 - Prob. 12RQCh. 22 - Give four examples of how echinoderms are...Ch. 22 - What is a major difference in function of the...Ch. 22 - What characteristics do Hemichordata share with...Ch. 22 - Distinguish Enteropneusta from Pterobranchia.Ch. 22 - For Further Thought The phylogenetic placement of...
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- Describe several modifications of the digestive and respiratory systems which are specializations for the lamprey's parasitic lifestyle.arrow_forwardHow do sea star tube feet attach to substrates?arrow_forwardHow can the presence, localization and function of muscular tissue in beings of the phylum Annelida be explained?arrow_forward
- Name and describe two adaptations that make squid good predators.arrow_forwardRegarding bivalve burrowing: 1) If the penetration anchor (PA) is formed and the circular muscle of the foot contract, what would be the consequence? 2) What happens when the adductor muscles contract?arrow_forwardHow does the siphon's action allow the squid to move quickly through water? Explain in 7 sentences.arrow_forward
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