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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Question
Chapter 18, Problem 6RQ
Summary Introduction
To explain: The feature of the body-wall muscles in nematodes, which requires a high hydrostatic pressure in the pseudocoelomic fluid for efficient function.
Introduction: Ecdysozoans are a group of protostome animals that include nematodes, arthropods, and numerous smaller phyla. The nematodes are commonly known as roundworms that belong to the phylum Nematoda. The nematodes inhabit different environments ranging from terrestrial to marine environments.
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Explain two peculiar features of the body-wall muscles in nematodes.
Why does Phylum Nematomorpha only possess longitudinal muscles in their body? Explain.
Explain how the high pseudocoelomic pressure affects feeding and defecation in nematodes.
Chapter 18 Solutions
Loose Leaf For Integrated Principles Of Zoology
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- How can the presence, localization and function of muscular tissue in beings of the phylum Annelida be explained?arrow_forwardExplain the interaction of cuticle, body-wall muscles, and pseudocoe-lomic fluid in locomotion of nematodes.arrow_forwardHow can invertebrates move without a system to for muscles to pull on?arrow_forward
- How can invertebrates move without a system to for muscles to pull on? please do not just copy from goglearrow_forwardAll cnidarians have cnidoblasts, but not all cnidoblasts sting. What else could an ejecting thread do to capture a prey organism?arrow_forwardWhat are differences between arm and tentacles of squid? Explain.arrow_forward
- What is an unusual feature of the nervous network of cnidarians?arrow_forwardWhat function other than feeding do suckers serve?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
- What are the checkpoints in the completion of the life cycle of nematomorphs? Would it be easier if all their host is aquatic? Why or why not? Note: This is about Likely Nematode Relatives (invertebrates zoology)arrow_forwardHow is movement effected in jellyfishes?arrow_forwardRelate the structure of insect flight muscles to their function.arrow_forward
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