Biology with Connect Access Card
10th Edition
ISBN: 9780077705701
Author: Raven, Peter
Publisher: McGraw-Hill Education
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Chapter 35, Problem 1S
Summary Introduction
To determine:
The benefits of the feathers for insulation rather than flight for early flightless birds.
Introduction:
Feathers are composed of keratin and developed in the skin by follicles that are tiny pits.
The components of a feather are shaft, barbs, hooks that are combined to give it a continuous shape, a sturdy and flexible shape.
Insulation is a process that is needed to retain the temperature of the body. Early flightless birds and modern birds, both contain endothermic
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Human Anatomy & Physiology (11th Edition)BUY
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
1 The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Chapter 35 Solutions
Biology with Connect Access Card
Ch. 35 - Which of the following structures is not a...Ch. 35 - Which of the following statements regarding all...Ch. 35 - In the figure, item A is the ______ and item B is...Ch. 35 - Prob. 4UCh. 35 - The ____ of the bony fish evolved to counter the...Ch. 35 - Why was the evolution of the pulmonary veins...Ch. 35 - Which of the following groups lacks a...Ch. 35 - All of the following are characteristics of...Ch. 35 - Which of the following evolutionary adaptations...Ch. 35 - The reason that birds and crocodilians both build...
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