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 12, Problem 7RQ
Summary Introduction
To explain: The material present in the skeleton of all sponges.
Introduction: Sponges are members of the phylum Porifera. Sponges are a multicellular organism that has bodies with full of channels and pores that permits water to circulate through them. The sponges have three body types, namely leuconoid, syconoid, and asconoid.
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Chapter 12 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 12 - The term metazoan is synonymous with animal. Are...Ch. 12 - Prob. 2RQCh. 12 - Prob. 3RQCh. 12 - Prob. 4RQCh. 12 - Describe how the design of sponges influences the...Ch. 12 - Define the following: pinacocytes, choanocytes,...Ch. 12 - Prob. 7RQCh. 12 - Prob. 8RQCh. 12 - Prob. 9RQCh. 12 - Prob. 10RQ
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- What makes sponges (poriferans) different from other animals?arrow_forwardExplain how the system of pores operates in a typical sponge. What are spicules and spongins? What are the major functions of the spicules/ossicles of sponges?arrow_forwardCompare and contrast the hydraulic skeleton of molluscs with the hydrostatic skeletons of cnidarians and pseudocoelomates.arrow_forward
- What features of a hydrostatic skeleton do Sponges, Cnidarians, Nematodes, Annelids, and Arthropods each possess? and which features do they each lack?arrow_forwardHow are gases exchanged in sponges?arrow_forwardWhat would be present in Spongebob's poriferan skeleton? Specify the chemical composition as well as possible structures.arrow_forward
- What is the effect of increased atmospheric CO2 and reduced ocean pH on skeleton formation in marine algae?arrow_forwardHow and why did sponges develop skeletons, given that they were the first animals, there were no predators when they evolved, and the available food for them was floating in the water?arrow_forwardWhat are the functional significance of differences in shell morphology among gastropods and bivalves?arrow_forward
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