Mindtap Biology, 1 Term (6 Months) Printed Access Card For Solomon/martin/martin/berg's Biology, 11th
11th Edition
ISBN: 9781337393096
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 31.2, Problem 3C
Summary Introduction
To describe: The way in which the lifestyle of a gastropod differs from that of a cephalopod.
Introduction: The Lophotrochozoa is one of the two major classes of protozoans that include the bilateral animals. They are triploblastic animals and most of them have a true coelom and a tube-within-a-tube body plan. The Lophotrochozoa include the platyhelminthes (
Summary Introduction
To identify: Adaptations that have evolved in gastropods and cephalopods for its particular lifestyle.
Introduction: The Lophotrochozoa is one of the two major classes of protozoans that include the bilateral animals. They are triploblastic animals and most of them have a true coelom and a tube-within-a-tube body plan. The Lophotrochozoa include the platyhelminthes (flatworms), rotifers, nemerteans, mollusks, annelids, and lophophorate phyla. Mollusks are divided into four clades, namely chitons, gastropods, bivalves, and cephalopods.
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Cephalopods are active marine predators, and many molluscan features are modified to fulfill their niche. Explain how each molluscan feature is modified, compared to gastropod and bivalve body plans.
1) Molluscan foot
2) Excurrent Siphon
3) Shell
4) Sensory organs and brain
Why is the internal shell of Cephalopods significant to their adaptation?
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
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Has been modified into part of the respiratory system
Chapter 31 Solutions
Mindtap Biology, 1 Term (6 Months) Printed Access Card For Solomon/martin/martin/berg's Biology, 11th
Ch. 31.1 - Prob. 1LOCh. 31.1 - Prob. 2LOCh. 31.1 - Prob. 3LOCh. 31.1 - connect What is the significance of choanocytes in...Ch. 31.1 - Prob. 2CCh. 31.1 - VISUALIZE Sketch the major events of the life...Ch. 31.1 - Prob. 4CCh. 31.2 - Prob. 4LOCh. 31.2 - Prob. 5LOCh. 31.2 - Prob. 6LO
Ch. 31.2 - Prob. 7LOCh. 31.2 - Prob. 8LOCh. 31.2 - What are some advantages of cephalization and a...Ch. 31.2 - On what basis have biologists classified...Ch. 31.2 - Prob. 3CCh. 31.2 - Prob. 4CCh. 31.3 - Prob. 9LOCh. 31.3 - Prob. 10LOCh. 31.3 - Describe six key characteristics of arthropods,...Ch. 31.3 - Prob. 12LOCh. 31.3 - Prob. 1CCh. 31.3 - Describe four key arthropod characteristics, and...Ch. 31.3 - Prob. 3CCh. 31.3 - Describe four adaptations that have contributed to...Ch. 31 - Prob. 1TYUCh. 31 - Prob. 2TYUCh. 31 - Which of the following is associated with the...Ch. 31 - Trochophore larvae are characteristic of (a)...Ch. 31 - Prob. 5TYUCh. 31 - An open circulatory system (a) is characteristic...Ch. 31 - Which of the following characteristics is...Ch. 31 - Trilobites (a) were early mollusks (b) are...Ch. 31 - Prob. 9TYUCh. 31 - Prob. 10TYUCh. 31 - The correct sequence of complete metamorphosis of...Ch. 31 - Test Your Understanding 12. VISUALIZE Draw a cross...Ch. 31 - Prob. 13TYUCh. 31 - Prob. 14TYUCh. 31 - INTERPRET DATA Imagine that you discover a new...Ch. 31 - Prob. 16TYUCh. 31 - Prob. 17TYUCh. 31 - Prob. 18TYUCh. 31 - SCIENCE, TECHNOLOGY, AND SOCIETY international...
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- Differentiate 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_forwardAn organism classified in phylum Mollusca that is a predator with tentacles, a brain and complex eyes would be classified into which group? gastropod cephalopod bivalve none of the above Which structure from the list below is made up of specialized cells called cnidocytes? Tentacle Bud mesoglea epidermis (ectoderm) Teste (spermerary) Reproductive polyp Foot Ovary Feeding polyp Gastrovascular cavity Mouth hydrostatic skeleton medusaarrow_forwardWhat is the number of shells each organism has (Cephalopoda Scaphopoda)?arrow_forward
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