Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 45.1, Problem 1CC
Summary Introduction
To determine: The way in which the absence of an external skeleton is an advantage for the animals.
Introduction: A skeleton is a structure that provides support and protection and also plays an important role in locomotion. Exoskeletons and endoskeletons are the two major types of skeletons found in animals. The exoskeleton is found in arthropods and crustaceans. Endoskeleton is found in some species of sponges and all echinoderms and vertebrates.
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Unlike exoskeletons, endoskeletons do not provide protection for the body surface of animals. How can the lack of an external skeletonalso be an advantage for animals?
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Chapter 45 Solutions
Biology
Ch. 45.1 - Prob. 1CCCh. 45.2 - Prob. 1CCCh. 45.2 - Prob. 1CSCh. 45.2 - Prob. 2CSCh. 45.3 - What is the normal function of the PPAR- protein...Ch. 45.3 - CoreSKILL What was the hypothesis proposed by...Ch. 45.3 - CoreSKILL Assume that the mean weight of both...Ch. 45 - Prob. 1TYCh. 45 - Prob. 2TYCh. 45 - Prob. 3TY
Ch. 45 - Prob. 4TYCh. 45 - The function of ATP during muscle contraction is...Ch. 45 - The function of Ca2+ in skeletal muscle...Ch. 45 - Stimulation of a muscle fiber by a motor neuron...Ch. 45 - Muscle fibers that have a large number of...Ch. 45 - Which of the following statements about movement...Ch. 45 - Prob. 10TYCh. 45 - Compare the structural and functional features of...Ch. 45 - Describe as many types of animal locomotion as you...Ch. 45 - Prob. 3CQCh. 45 - List and briefly describe the steps in the...Ch. 45 - Discuss the three types of muscle tissues found in...
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