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 8RQ
Summary Introduction
To explain: The way through which the high pseudocoelomic pressure affects feeding and defecation in nematodes.
Introduction: Ecdysozoans are a group of protostome animals that include nematodes, arthropods, and numerous smaller phyla. Nematodes are commonly known as roundworms; they belong to the phylum Nematoda. Nematodes inhabit different environments ranging from terrestrial to marine environments.
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Loose Leaf For Integrated Principles Of Zoology
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- Find illustrations of the excretory and digestive system of Phylum Platyhelminthes, Phylum Annelida and Phylum Chaetognatha. Explain how each differ from each other.arrow_forwardDescribe the characteristics of acoelomate flatworms.arrow_forwardExplain two peculiar features of the body-wall muscles in nematodes.arrow_forward
- What feature of body-wall muscles in nematodes requires a high hy-drostatic pressure in the pseudocoelomic fluid for efficient function?arrow_forwardDescribe the life cycle of the parasitic nematode? What is the advantage of it making an infected ant's butt big and bright red?arrow_forwardDiff erentiate between tissue nematodes and intestinal nematodes.arrow_forward
- Explain functions of each of the following in earthworms: pharynx, calciferous glands, crop, gizzard, typhlosole, chloragogen tissuearrow_forwardDescribe a potential advantage and disadvantage of the cuticle of ecdysozoans.arrow_forwardHow do humans get infected with parasitic nematodes? Discuss two routes of transmission in humans.arrow_forward
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