CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
3rd Edition
ISBN: 9780135191811
Author: Urry
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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Contracting setae while relaxing longitudinal and circular muscles
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Contracting longitudinal muscles in anterior sections forces fluid across the septum and into segments in the posterior sections
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Chapter 39 Solutions
CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
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 - Prob. 9TYUCh. 39 - Prob. 10TYUCh. 39 - FOCUS ON INFORMATION Learning is defined as a...Ch. 39 - Prob. 12TYU
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- How can invertebrates move without a system to for muscles to pull on? please do not just copy from goglearrow_forwardgive 2 examples of animals with exoskeleton and endoskeleton where the hydrostatic skeleton is lost explain scientifically do not just google pleasearrow_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_forward
- How can invertebrates move without a system to for muscles to pull on?arrow_forwardCompare 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_forward
- Worms 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_forwarddiscuss how specialized muscle contributed to the success of extinct species.arrow_forwardRelate the structure of insect flight muscles to their function.arrow_forward
- What disadvantages associated with having exoskeletons did arthropods have to overcome to allow natural selection to favor this trait? How did they circumvent these problems?arrow_forwardgive examples of animals with hydrostatic skeleton that are soon changed to exoskeleton or endoskeleton when they growarrow_forwardScientific understanding of the evolution and phylogeny of the Arthropoda has changed enormously in recent years. Briefly explain why this is truearrow_forward
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