1 SEM ACC W/RAVEN CARDED
1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 34, Problem 9U

Which of the following evolutionary adaptations allows the birds to become efficient at flying?

a. Structure of the feather

b. High metabolic temperatures

c. Increased respiratory efficiency

d. All of the choices are correct.

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Chapter 34 Solutions

1 SEM ACC W/RAVEN CARDED

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