Loose Leaf For Integrated Principles Of Zoology

18th Edition

ISBN: 9781260411140

Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology

Publisher: McGraw-Hill Education

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Evolutionary adaptations

Evolutionary adaptation is the process through which organisms adapt or adjust to their surroundings to increase the chances of survival, mating, and reproduction. An organism's behavior, physiology, and structure are adjusted or changed to make it more …

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Textbook Question

Chapter 27, Problem 2RQ

The special adaptations of birds contribute to two essentials for flight: more power and less weight. Explain how each of the following contributes to one or both of these two essentials: feathers, skeleton, muscle disuibution, digestive system, circulatory system, respiratory system, excretory system, reproductive system.

Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

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Chapter 27, Problem 1RQ

Chapter 27, Problem 3RQ

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Chapter 27 Solutions

Loose Leaf For Integrated Principles Of Zoology

Ch. 27 - Explain the significance of the discovery of...Ch. 27 - The special adaptations of birds contribute to two...Ch. 27 - How do marine birds rid themselves of excess salt?Ch. 27 - Prob. 4RQ Ch. 27 - Explain how a birds wing produces lift. What...Ch. 27 - Describe four basic forms of bird wings. How does...Ch. 27 - Contrast the arboreal and cursorial hypotheses for...Ch. 27 - Prob. 8RQ Ch. 27 - Prob. 9RQ Ch. 27 - Describe different navigational resources birds...

Ch. 27 - Prob. 11RQ Ch. 27 - Briefly describe examples of polygyny and...Ch. 27 - Prob. 13RQ Ch. 27 - Prob. 14RQ Ch. 27 - Prob. 15RQ Ch. 27 - Prob. 1FFT

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Solution Summary: The author explains how feathers, skeleton, muscle distribution, digestive system, circulatory, respiratory, excretory, and reproductive systems contribute to the special adaptations of flight.

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Chapter 27 Solutions