Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 39, Problem 8TYU
SCIENTIFIC INQUIRY
Propose a hypothesis to explain how paramyosin enables clamshell muscles to remain contracted for long periods. Explain how you would test your hypothesis.
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Students have asked these similar questions
Which statement best describes how an earthworm moves?
a
Contracting setae while relaxing longitudinal and circular muscles
b
Contracting longitudinal muscles in anterior sections forces fluid across the septum and into segments in the posterior sections
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Contracting longitudinal muscles which puts pressure on the hydrostatic skeleton and causes it constrict and elongate
d
Simultaneous contraction of longitudinal and circular muscles within a segment
e
Alternating contraction of longitudinal muscle in a posterior segment with contraction of circular muscles in the neighboring anterior segment
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Plz answer this all questions
What muscle in the shark is homologous with the geniohyoideus in the mudpuppy?
A) Coracomandibularis
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Chapter 39 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 39.1 - Contrast the role of Ca2+ in the contraction of a...Ch. 39.1 - WHAT IF? Why are the muscles of an animal that has...Ch. 39.1 - Prob. 3CCCh. 39.2 - Prob. 1CCCh. 39.2 - Prob. 2CCCh. 39.2 - Prob. 3CCCh. 39.3 - Prob. 1CCCh. 39.3 - MAKE CONNECTIONS How is the lunar-linked rhythm of...Ch. 39.4 - How might associative learning explain why...Ch. 39.4 - Prob. 2CC
Ch. 39.4 - MAKE CONNECTIONS How might a learned behavior...Ch. 39.5 - Prob. 1CCCh. 39.5 - MAKE CONNECTIONS Balancing selection can maintain...Ch. 39.6 - Prob. 1CCCh. 39.6 - Prob. 2CCCh. 39 - During the contraction of a vertebrate skeletal...Ch. 39 - Prob. 2TYUCh. 39 - According to Hamiltons rule, A. natural selection...Ch. 39 - The binding of calcium to the troponin complex A....Ch. 39 - Curare, a substance that blocks the acetylcholine...Ch. 39 - Prob. 6TYUCh. 39 - Prob. 7TYUCh. 39 - SCIENTIFIC INQUIRY Propose a hypothesis to explain...Ch. 39 - SCIENTIFIC INQUIRY Scientists studying scrub jays...Ch. 39 - Prob. 10TYUCh. 39 - FOCUS ON INFORMATION Learning is defined as a...Ch. 39 - SYNTHESIZE YOUR KNOWLEDGE Acorn woodpeckers...
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- Using a suitable example, explain how muscles work inopposition.arrow_forwardCertain diseases cause the production of collagen that is weaker than normal. Predict how such diseases could affect the structure and function of gomphoses?arrow_forwardWhy does Phylum Nematomorpha only possess longitudinal muscles in their body? Explain.arrow_forward
- Compare and contrast three features of an exoskeletonand an endoskeleton.arrow_forwardMany Annelids have complex movement patterns using circular and longitudinal muscles. How is it that these musclęs, which need to contract against a rigid structure, is able to work for annelids which are soft bodied? O most annelids have a soft shell O most annelids have an endoskeleton O most annelids use a rigid cuticle O most annelids use a rigid bristles O most annelids use a rigid hydrostatic skeleton MacBook Pro 8.arrow_forwardWorms use a hydrostatic skeleton to generate movement. How do they do this? a. Their bones are filled with water, which provides the weight of the skeleton. b. The change in body structure is caused by contraction of muscles compressing the watery body fluid. c. The muscles contain water vacuoles, which, when filled, provide a rigid internal structure. d. The term hydrostatic simply refers to moist environment. They generate movement just as arthropods do.arrow_forward
- Why does the larval stages of insects exhibit a softer and thinner exoskeleton than their adult forms?arrow_forwardScientific understanding of the evolution and phylogeny of the Arthropoda has changed enormously in recent years. Briefly explain why this is truearrow_forwardDiscuss the idea that every evolutionary adaptation has both advantages and disadvantages, using each of the following as an example: (a) cephalization,(b) the arthropod exoskeleton, and (c) segmentation with specialization.arrow_forward
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