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he: Small birds mutating their beak genes with the result that later- generation offspring have larger beaks. Small birds anticipating the long

he: Small birds mutating their beak genes with the result that later- generation offspring have larger beaks. Small birds anticipating the long

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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During drought years on the Galapagos, small, easily eaten seeds become rare leaving only large, hard-cased seeds that only birds with large beaks can eat. If a drought persists for several years, then what should one expect to result from natural selection?
Transcribed Image Text:During drought years on the Galapagos, small, easily eaten seeds become rare leaving only large, hard-cased seeds that only birds with large beaks can eat. If a drought persists for several years, then what should one expect to result from natural selection?
Select one: O a. O b. O c. O d. O e. Small birds mutating their beak genes with the result that later- generation offspring have larger beaks. Small birds anticipating the long drought and eating more to gain weight and, consequently, growing larger beaks. Small birds gaining larger beaks by exercising their mouth parts. Larger birds eating less so smaller birds can survive. More small-beaked birds dying than the larger-beaked birds. The offspring produced in subsequent generations have a higher percentage of birds with large beaks.
Transcribed Image Text:Select one: O a. O b. O c. O d. O e. Small birds mutating their beak genes with the result that later- generation offspring have larger beaks. Small birds anticipating the long drought and eating more to gain weight and, consequently, growing larger beaks. Small birds gaining larger beaks by exercising their mouth parts. Larger birds eating less so smaller birds can survive. More small-beaked birds dying than the larger-beaked birds. The offspring produced in subsequent generations have a higher percentage of birds with large beaks.
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