Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 33, Problem 4IQ
a.
Summary Introduction
To describe: The three parts of molluscan body plan.
Introduction: The phylum Mollusca forms the second large group among invertebrates. They are mostly marine and have soft body that is preserved by a hard shell. An important luxury good, the pearl, produced from pearl oysters that belong to the phylum Mollusca.
b.
Summary Introduction
To compare: The feeding behaviors and activity levels of snails, clams, and squid.
Introduction: Snails, clams, and squid belong to the phylum Mollusca. They lack segmentation and have a soft body. They lack typical legs but have muscular foot for locomotion. Some have flexible tentacles that are helpful in sensing the environment.
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Chapter 33 Solutions
Study Guide for Campbell Biology
Ch. 33 - Prob. 1IQCh. 33 - Prob. 2IQCh. 33 - a. Describe the digestive system of a planarian....Ch. 33 - Prob. 4IQCh. 33 - Prob. 5IQCh. 33 - Compare the locomotion of an earthworm and that of...Ch. 33 - Prob. 7IQCh. 33 - Prob. 8IQCh. 33 - Prob. 9IQCh. 33 - Prob. 10IQ
Ch. 33 - Use the following evolutionary tree (which is...Ch. 33 - Invertebrates include a. all animals except for...Ch. 33 - Prob. 2TYKCh. 33 - Prob. 3TYKCh. 33 - Prob. 4TYKCh. 33 - Prob. 5TYKCh. 33 - Hermaphrodites a. contain male and female sex...Ch. 33 - Prob. 7TYKCh. 33 - Prob. 8TYKCh. 33 - Prob. 9TYKCh. 33 - Prob. 10TYKCh. 33 - Prob. 11TYKCh. 33 - Prob. 12TYKCh. 33 - Prob. 13TYKCh. 33 - Prob. 14TYKCh. 33 - Prob. 15TYKCh. 33 - Which of the following phenomena is not considered...
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- The basic body plan of a mollusk is to have a head, foot, and visceral mass. In the case of the cephalopods, the foot; Has become part of the digestive system Has been modified into a beak Has been modified into tentacles Has been modified into part of the respiratory systemarrow_forwardAll mollusks have a muscular foot, mantle and visceral mass. Look for these structures and compare them between the representative marine bivalve and terrestrial gastropod. Relate how these differences fit their lifestyle.arrow_forwardDescribe the morphology and anatomy of mollusks.arrow_forward
- Figure 28.21 Which of the following statements about the anatomy of a mollusk is false? Mollusks have a radula for grinding food. A digestive gland is connected to the stomach. The tissue beneath the shell is called the mantle. The digestive system includes a gizzard, a stomach, a digestive gland, and the intestine.arrow_forwardFigure 15.24 Which of the following statements about the anatomy of a mollusk is false? a. Mollusks have a radula for scraping food. b. Mollusks have ventral nerve cords. c. The tissue beneath the shell is called the mantle. d. The mantle cavity contains hemolymph.arrow_forwardGive the function of the external and internal anatomy of an Arthropods: External 1. Head 2. Thorax 3. Abdomen Internal 4. Circulatory system 5. Respiratory System 6. Nervous System 7. Digestive system 8. Excretory System 9. Reproductive Systemarrow_forward
- Serial repetition of the body parts is most specifically referred to as O tacky metamerization O proglottidism tagmatization somaticism tubiculousarrow_forwardClass Bivalvia which is known as pelecypods can be found in marine and freshwater habitats. By discussing their characteristics, explain how this Molluscan class can benefit human needs and ecosystem.arrow_forwardDescribe the general characteristics of mollusks. Describe the general characteristics of annelids. Describe the general characteristics of arthropods. Describe the characteristics echinoderms have in common. Note which animals are the invertebrate chordates.arrow_forward
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