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 13, Problem 6RQ
Summary Introduction
To explain: The unusual feature of the nervous network for the Cnidarians.
Introduction: The Cnidarians are a phylum of simple animals. It includes jellyfish, hydras, corals, and sea anemones. The Cnidarians are divided into major classes, namely the Scyphozoa, Anthozoa, Staurozoa, and Hydrozoa.
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Chapter 13 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 13 - Prob. 1RQCh. 13 - What characteristics of phylum Cnidaria are most...Ch. 13 - Name and distinguish the taxonomic classes in...Ch. 13 - Prob. 4RQCh. 13 - Explain the mechanism of nematocyst discharge. How...Ch. 13 - Prob. 6RQCh. 13 - Prob. 7RQCh. 13 - Prob. 8RQCh. 13 - Prob. 9RQCh. 13 - Prob. 10RQ
Ch. 13 - Prob. 11RQCh. 13 - Distinguish the following from each other:...Ch. 13 - Prob. 13RQCh. 13 - Describe three specific interactions of anemones...Ch. 13 - Contrast the skeletons of hexacorallian and...Ch. 13 - Coral reefs generally are limited in geographic...Ch. 13 - Prob. 17RQCh. 13 - How do zooxanthellae contribute to the welfare of...Ch. 13 - Prob. 19RQCh. 13 - What characteristics of Ctenophora are most...Ch. 13 - How do ctenophores swim, and how do they obtain...Ch. 13 - Compare cnidarians and ctenophores, giving five...Ch. 13 - Prob. 23RQ
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- Explain two peculiar features of the body-wall muscles in nematodes.arrow_forwardwhat is the common adaptation in many nematodes enabling them to survive adverse conditions while awaiting return of more congenial circumstances.arrow_forwardHow can the presence, localization and function of muscular tissue in beings of the phylum Annelida be explained?arrow_forward
- Why does Phylum Nematomorpha only possess longitudinal muscles in their body? Explain.arrow_forwardHow are tardigrades able to survive in harsh conditions?arrow_forwardAll cnidarians have cnidoblasts, but not all cnidoblasts sting. What else could an ejecting thread do to capture a prey organism?arrow_forward
- Is the nervous system in platyhelminthes more or less sophisticated than in cnidarians? What are the main neural structures found in flatworms? How is this neural organization important for the diversity of biological niches explored by species of the phylum?arrow_forwardWhat feature of body-wall muscles in nematodes requires a high hy-drostatic pressure in the pseudocoelomic fluid for efficient function?arrow_forwarddo any nematodes have similar adaptations due to their needs being met by their hosts? I know that nematodes are parasitic and not mutually beneficial, but they are still symbionts and perhaps have evolved to no longer require some components of basic anatomy in result of their needs being met by their host. please cite sourcesarrow_forward
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