Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 43, Problem 8TYK
Endoskeletons:
a. protect internal organs and provide structures against which the force of muscle contraction can work.
b. differ from exoskeletons in that endoskeletons do not support the external body.
c. cannot be found in echinoderms.
d. are composed of cartilaginous structures that form the skull.
e. compose the arms and legs.
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Exoskeletonsa. are typical of vertebrates.b. are hydrostatic.c. must be shed periodically.d. are moved by muscles attached to the outside of joints.
In a typical insect leg, what part may be composed of 2 to 5 segments?
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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.
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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.
Chapter 43 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 43.1 - Prob. 1SBCh. 43.1 - Prob. 2SBCh. 43.1 - Prob. 3SBCh. 43.2 - Prob. 1SBCh. 43.2 - Prob. 2SBCh. 43.3 - Prob. 1SBCh. 43.3 - Prob. 2SBCh. 43 - Prob. 1TYKCh. 43 - Prob. 2TYKCh. 43 - Prob. 3TYK
Ch. 43 - Prob. 4TYKCh. 43 - Prob. 5TYKCh. 43 - Prob. 6TYKCh. 43 - Which of the following is not an example of a...Ch. 43 - Endoskeletons: a. protect internal organs and...Ch. 43 - Prob. 9TYKCh. 43 - Prob. 10TYKCh. 43 - Prob. 11TYKCh. 43 - Prob. 12TYKCh. 43 - Prob. 13TYKCh. 43 - Prob. 14TYKCh. 43 - Prob. 15TYKCh. 43 - Prob. 1ITDCh. 43 - Prob. 2ITDCh. 43 - Prob. 3ITDCh. 43 - Prob. 4ITD
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- you are dissecting a sea star on the arboral side and you remove the endoskeleton of one arm only, not the central disc. What is the organ that should be sitting at the top? a) ambulacral ridge b) water vascular system c) gonads d) pyloric caecaarrow_forwardDescribe how the leg structure of the crayfish is modified to compensate for the limited motion of a single joint.arrow_forwardAnimals that are consired to be stocky or muscular what will they be described to show that? Like Bengal tiger if it was stocky what will it look like but if muscular apperance what exactly will show the differencearrow_forward
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