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A. The relative fitness of red clams will begin to decline resulting in an increase in the frequency of the yellow shelled phenotype. B. The relative fitness of the yellow phenotype will increase. Assuming that otters remain the major environmental pressure on this clam population, the yellow phenotype will become more frequent and should remain so. C. The yellow and red phenotypes will show similar declines in relative fitness because of otter feeding. D. The red phenotype is the most common indicating higher relative fitness compared to the yellow phenotype. Thus, the red phenotype should remain most common in the population'

A. The relative fitness of red clams will begin to decline resulting in an increase in the frequency of the yellow shelled phenotype. B. The relative fitness of the yellow phenotype will increase. Assuming that otters remain the major environmental pressure on this clam population, the yellow phenotype will become more frequent and should remain so. C. The yellow and red phenotypes will show similar declines in relative fitness because of otter feeding. D. The red phenotype is the most common indicating higher relative fitness compared to the yellow phenotype. Thus, the red phenotype should remain most common in the population'

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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A. The relative fitness of red clams will begin to decline resulting in an increase in the frequency of the yellow shelled phenotype. B. The relative fitness of the yellow phenotype will increase. Assuming that otters remain the major environmental pressure on this clam population, the yellow phenotype will become more frequent and should remain so. C. The yellow and red phenotypes will show similar declines in relative fitness because of otter feeding. D. The red phenotype is the most common indicating higher relative fitness compared to the yellow phenotype. Thus, the red phenotype should remain most common in the population'
Transcribed Image Text:A. The relative fitness of red clams will begin to decline resulting in an increase in the frequency of the yellow shelled phenotype. B. The relative fitness of the yellow phenotype will increase. Assuming that otters remain the major environmental pressure on this clam population, the yellow phenotype will become more frequent and should remain so. C. The yellow and red phenotypes will show similar declines in relative fitness because of otter feeding. D. The red phenotype is the most common indicating higher relative fitness compared to the yellow phenotype. Thus, the red phenotype should remain most common in the population'
'A species of river otter feeds on a clam species with two distinct color phenotypes: red shells and yellow shells. Otters are visual hunters and develop a search image for the most common phenotype of their prey species thus making them more successful at hunting and killing clams of the most common phenotype. A scientists observes clams in the otter's river and finds that 60% are red and 40% are yellow. Given this information, which of the following is the best prediction?
Transcribed Image Text:'A species of river otter feeds on a clam species with two distinct color phenotypes: red shells and yellow shells. Otters are visual hunters and develop a search image for the most common phenotype of their prey species thus making them more successful at hunting and killing clams of the most common phenotype. A scientists observes clams in the otter's river and finds that 60% are red and 40% are yellow. Given this information, which of the following is the best prediction?
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