Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 33.3, Problem 3CC
MAKE CONNECTIONS Ø Explain how the molluscan foot in gastropods and the excurrent siphon in cephalopods represent examples of descent with modrfication (see Concept 22.2).
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Briefly describe characteristics of the hypothetical ancestral mollusc, and tell how each class of molluscs (Caudofoveata, Solenogastres, Polyplacophora, Monoplacophora, Gastropoda, Cephalopoda, Bivalvia, Scaphopoda) differs from the ancestral condition with respect to each of the following: shell, radula, foot, mantle cavity and gills, circulatory system, and head.
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.Compare the locomotory mechanism between the gastropods and cephalopods in terms of structure.
Chapter 33 Solutions
Campbell Biology (10th Edition)
Ch. 33.1 - Prob. 1CCCh. 33.1 - Prob. 2CCCh. 33.2 - Compare and contrast the polyp and medusa forms of...Ch. 33.2 - Prob. 2CCCh. 33.2 - MAKE CONNECTIONS Many new animal body plans...Ch. 33.3 - Prob. 1CCCh. 33.3 - Prob. 2CCCh. 33.3 - MAKE CONNECTIONS Explain how the molluscan foot...Ch. 33.4 - Prob. 1CCCh. 33.4 - Describe two adaptations that have enabled insects...
Ch. 33.4 - MAKE CONNECTIONS Historically, annelids and...Ch. 33.5 - Prob. 1CCCh. 33.5 - WHAT IF? The insect Drosophila melanogaster and...Ch. 33.5 - MAKE CONNECTIONS Describe how the features and...Ch. 33 - Lacking tissues and organs, how do soonges...Ch. 33 - Describe the cnidarian body plan and its two major...Ch. 33 - is the lophotrochozoan clade united by unique...Ch. 33 - Describe some ecological roles of nematodes and...Ch. 33 - You've read that echinoderms and chordates are...Ch. 33 - A land snail, a clam and an octopus all share...Ch. 33 - Prob. 2TYUCh. 33 - The water vascular system of echinoderms (A)...Ch. 33 - Prob. 4TYUCh. 33 - In Figure 33.2, which two main clades branch from...Ch. 33 - Prob. 6TYUCh. 33 - Evolution connection Interpret thf data Draw a...Ch. 33 - Prob. 8TYUCh. 33 - Prob. 9TYUCh. 33 - SYNTHESIZE YOUR KNOWLEDGE Colleclively, do these...
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- Describe adaptations in the circulatory and neurosensory systems of cephalopods that are particularly valuable for actively swimming, predaceous animalsarrow_forwardMatching: (23-27) Match the specialized cell/organ to its function: 23 Colloblast 24. Choanocyte 25 Spicule 26. Osculum 27) Cnidocyte A. structural support B. water exits sponge here C. stinging cell with poison barb D. sticky cell to capture food E. filters food out of water in spongesarrow_forward1. Define sessile. Name an invertebrate with a sessile adult stage. 2. Sponges have specialized cells called collar cells. Describe how collar cells are specialized for the functions they serve. 3. What is a nematocyst? What is its function? 4. How do coral reefs form? 5. How do free-living nematodes contribute to the carbon cycle? 6. Describe the basic body plan of a mollusk. 7. What are gills? What is their function?arrow_forward
- Q27: Select all that applyarrow_forwardExplain pore canals in cockroaches.arrow_forwardMAKE CONNECTIONS Historically, annelids and arthropods were viewed as closely related because both havebody segmentation. Yet DNA sequence data indicatethat annelids belong to one clade (Lophotrochozoa) andarthropods to another (Ecdysozoa). Could traditionaland molecular hypotheses be tested by studyingthe Hox genes that control body segmentation (seeConcept 21.6)? Explain.arrow_forward
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