Biological Science
5th Edition
ISBN: 9780321743671
Author: Scott Freeman
Publisher: PEARSON
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Chapter 25, Problem 10TYU
Summary Introduction
To analyze:
The reason behind the increase in the average number of finches with deeper beak size after the drought by calculating the percentage of finches that survived, when there were more finches that had a deep beak before the drought.
Introduction:
Natural selection is an evolutionary mechanism, by which the organisms that are better adapted to their environment survive and attain reproductive success. The concept of natural selection was given by Charles Darwin, who was a naturalist, biologist, and a geologist from England. His concept of natural selection explains the diversity of life on the Earth.
The graph below shows the number of finches in response to the drought and the average depth of their beaks.
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Chapter 25 Solutions
Biological Science
Ch. 25 - True or false? Some trails are considered...Ch. 25 - CAUTION Why does the presence of extinct forms and...Ch. 25 - 3. Trails that are derived from a common ancestor,...Ch. 25 - How can biological fitness be estimated? a....Ch. 25 - 5. CAUTION According to data presented in this...Ch. 25 - Some biologists summarize evolution by natural...Ch. 25 - Prob. 9TYUCh. 25 - 9. The average height of humans in industrialized...Ch. 25 - Prob. 16TYPSSCh. 25 - Prob. 3TYK
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