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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Textbook Question
Chapter 14, Problem 10RQ
Describe and contrast the tegument of most turbellarians and the other classes of platyhelminths. Does the tegument provide evidence that trematodes, monogeneans, and cestodes form a clade within
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Describe and contrast the tegument of most turbellarians and the other classes of platyhelminths. Does the tegument provide evidence that trematodes, monogeneans, and cestodes form a clade within Platyhelminthes? Why?
Describe characteristics of phylum Platyhelminthes and its subgroups by discussing similarities and differences of 1)Morphological and anatomical features 2) life Styles 3)lifecycles and modes of reproduction of Turbellarians,trematodes and cestodes
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Chapter 14 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 14 - Prob. 1RQCh. 14 - Prob. 2RQCh. 14 - Match the terms in the right column with the...Ch. 14 - Describe the body plan of a typical turbellarian.Ch. 14 - Prob. 5RQCh. 14 - Prob. 6RQCh. 14 - Prob. 7RQCh. 14 - Prob. 8RQCh. 14 - Prob. 9RQCh. 14 - Describe and contrast the tegument of most...
Ch. 14 - Prob. 11RQCh. 14 - Why is Taenia solium a more dangerous infection...Ch. 14 - Prob. 13RQCh. 14 - Define each of the following with reference to...Ch. 14 - Prob. 15RQCh. 14 - Prob. 16RQCh. 14 - What character unites members of clade Gnathifera?Ch. 14 - Prob. 18RQCh. 14 - What habitat is shared by micrognathozoans and...Ch. 14 - what is the normal size of a rotifer, where is it...Ch. 14 - Explain the difference between mictic and amictic...Ch. 14 - What is eutely?Ch. 14 - Prob. 23RQCh. 14 - Prob. 24RQCh. 14 - Prob. 25RQCh. 14 - Prob. 26RQCh. 14 - How could an endoparasite evolve from a...
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- Rotifers and acanthocephalans previously belonged to separate phylum. But recent molecular studies and genome analysis show that acanthocephalans are sister groups of a class under Phylum Rotifera. And thus, the two should belong to a single taxon. Aside from the molecular evidences, what morphological and physiological features of both the rotifers and acanthocephalans support this claim? Explain your answer.arrow_forwardIdentify and describe the features of Rotifera and Acanthocephala that make them distinct from one another, and how is the ‘relatedness’ of these organisms supported by molecular data? Identify two specific anatomical features of free-living and parasitic flatworms and relate it to their mode of living.arrow_forwardWhat are the major evolutionary features that distinguish Phylum Platyhelminthes from earlier phyla? How do they provide an evolutionary “advantage” for these animals?arrow_forward
- What are the criteria that delimit phylum Echinodermata to its classes? What are the functions of the tube feet, madreporite, and ambulacral groove? Give the economic importance of echinoderms. What is regeneration?arrow_forwardThe phylum Platyhelminthes has what type of symmetry?arrow_forwardDescribe the differences in the coelomic systems between Oligochaetes and Polychaetes. How do the differences in the coeloms relate to differences in locomotion? Which characteristics unify the lophophorates? Describe each characteristic and how it differs between the lophophorate phyla.arrow_forward
- Compare and contrast the 5 major extant groups of actinopterygii: 1.polypteriformes 2.chondrostei 3. lepisosteida 4.amiidae 5. teleosteiarrow_forwardWhat is the habitat of Cephalobus? Compare its general structures to Ascaris, Trichinella, and Enterobius. What structures are associated with its free-living form? What is the scientific value of the Cephalobus?arrow_forwardSpecifically, what are the importance of ctenophores and cnidarians to humans? Why do they need to be protected?arrow_forward
- How many germ layers originate the body of platyhelminthes? In relation to this characteristic how are these animals classified?arrow_forwardCompare the whole specimens and cross-sections of Ascaris and Dugesia. How would you differentiate these worms? Also, nematodes have a complete gut whereas most platyhelminths have an incomplete one. Think of one advantage of having a complete gut.arrow_forwardDefine "synapomorphy" and "symplesiomorphy". Which nine phyla were placed in the old "Phylum" Aschelminthes? What characters did these share? Were these synapomorphies or sympleisomorphies? Which phyla are now placed in the Gnathifera? What synapomorphy(ies) do they share?arrow_forward
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