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 16, Problem 6RQ
Summary Introduction
To define: The terms operculum, bilateral asymmetry, rhinophore, pneumostome with respect to gastropods.
Introduction: The class Gastropoda is the largest and the most wide-ranging. It consists of over 70,000 living and more than 15,000 fossil species.
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Define the following with respect to gastropods: operculum, torsion, fouling, bilateral asymmetry, rhinophore, pneumostome
1)What is the best synapomorphy for Phylum Mollusca?
2) What is a synanthropic arthropod? Provide an example.
Please answer asap and in short and content should not be palgarised please
Give TWO BASIC (essential to an organism’s survival, i.e. without these, existence is not possible) structures of the Phylum Mollusca.
Give FOUR TYPICAL (distinguishing features) structures of the Phylum Mollusca.
Chapter 16 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 16 - Explain how ocean acidification is likely to...Ch. 16 - How does a molluscan coelom develop...Ch. 16 - Prob. 3RQCh. 16 - Briefly describe characteristics of the...Ch. 16 - Briefly describe the habitat and habits of a...Ch. 16 - Prob. 6RQCh. 16 - Prob. 7RQCh. 16 - Prob. 8RQCh. 16 - Prob. 9RQCh. 16 - Use examples to explain how the external...
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- Serial repetition of the body parts is most specifically referred to as O tacky metamerization O proglottidism tagmatization somaticism tubiculousarrow_forwardDifferentiate the three different body plans in sponges: Characteristics Asconoid Syconoid Leuconoid 1. Wall 2. Mesenchyme 3. Choanocytes 4. Spongocoelarrow_forwardIdentify and label the parts of the following specimens of Phylum Nematoda:arrow_forward
- What are the criteria that delimit this phylum echinodermata to its classes? What are the striking characteristics of this phylum which help you identify mollusks easily? What are the importance of mollusks? Differentiate univalves from bivalves. How do mollusks breathe?arrow_forwardExplain the structure and functions of the mollusk mantle.arrow_forwardwhat words match the definitions Atria, Cuticle, Pseudocoelom, Exoskeleton, Ecdysis, Malpighian tubes, Gastropods, Incurrent siphon, Crop, Gizzard, Septa, Protostomes, Deuterostomes, Pentaradial symmetry, Water vascular system, Myomeres, Swim bladder, Ventricle, Endoskeleton, Notochord _______________ A body cavity that is surrounded by mesoderm and endoderm. _______________ A process by which the exoskeleton is shed as the animal grows. _______________ Outside tough covering which is permeable only to water and gases. _______________Class of Mollusca containing snails, slugs, and nudibranchs.arrow_forward
- What are shared characteristics of all Molluscs? Choose All That Apply visceral mass mantle Omuscular foot exoskeleton a radulaarrow_forwardWhich is/are true of the mollusc radula a toothed structure is a synapomorphy of Mollusca is situated in the foregut present in bivalves A potential disadvantage of torsion in gastropods: consumption of feces more efficient gas exchange head protection small body sizearrow_forwardDifferentiate the following mollusks in terms of (a) locomotion (b) feeding and habitat (c) structures/organs present. Use keywords only. Fill out the table below for an easier presentation of answers. Gastropods Cephalopods Bivalves Locomotion Feeding and habitat Structures/organs presentarrow_forward
- A NEOMENIOMORPHA CHAETODERMOMORPHA POLYPLACOPHORA MONOPLACOPHORA B GASTROPODA CEPHALOPODA SCAPHOPODA BIVALVIA Which kind of phyletic group is represented by region A?.arrow_forwardMollusca (clams, abalone, nudibranchs, snails, squid, octopi, etc). Unifying features include shell, mantle, radula, foot, visceral mass Which classes show a loss of the shell. How does the shell benefit an organism, how does the loss of the shell benefit other members of this phylum? Distinguish between polyplacophora, bivalva, gastropoda, and chephalopoda We see the first evolution of a true eye here. Who has it? What are chromatophores? How doe members of this group use them? What other unique defense addaptaions do we see in this group? (warning colors, 2 shells, ink)arrow_forwardDefine the following terms that relate to the sponges: Spongocoel: Osculum: Choanocytes: Amoebocytes: Spicules: Sessile: Hermaphroditic: Flagellated larva:arrow_forward
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