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Which of the following is most likely to occur as a result of predation pressure? A decrease in the fitness of frogs that experience less predation The appearance of color variations 2 and 3 in most of the frog population An increase in the frequency of color variations with a low visibility rating An increase in mutations that result in color variations with a high visibility rating

Which of the following is most likely to occur as a result of predation pressure? A decrease in the fitness of frogs that experience less predation The appearance of color variations 2 and 3 in most of the frog population An increase in the frequency of color variations with a low visibility rating An increase in mutations that result in color variations with a high visibility rating

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
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14 <> Question 7 My Response The strawberry poison-dart frog, Oophaga pumilio, has many bright color variations among populations. The bright colors act as warning coloration, letting predators know that the frog contains a poisonous substance in its skin. Researchers wanted to know how the introduction of a predator that was immune to the frog poison would affect the color variation in the frog populations. Researchers made clay models of five different frogs that differed only in color and placed the models in a variety of locations in the frogs' Central American habitats. The researchers recorded the number of times birds attacked the models during a fixed period of time. The results of the study are shown in the table and graph. The visibility rating of each color variation is a measure of how easy it is for predators to see the frogs and is based on color brightness and color contrast with the frogs' habitat. A higher visibility rating suggests that an individual frog is easier to see. Color Variation Visibility Number of Rating Attacks VISIBILITY RATING AND ATTACK FREQUENGY 3.6 41 2. 2.8 28 8 20 19 2.2 10 ó 0.5 1.0 1.5 2.0 25 3.0 3.s 4.0 Visibility Rating 5. 2.1 4 Submit umber of Attacke II
Transcribed Image Text:14 <> Question 7 My Response The strawberry poison-dart frog, Oophaga pumilio, has many bright color variations among populations. The bright colors act as warning coloration, letting predators know that the frog contains a poisonous substance in its skin. Researchers wanted to know how the introduction of a predator that was immune to the frog poison would affect the color variation in the frog populations. Researchers made clay models of five different frogs that differed only in color and placed the models in a variety of locations in the frogs' Central American habitats. The researchers recorded the number of times birds attacked the models during a fixed period of time. The results of the study are shown in the table and graph. The visibility rating of each color variation is a measure of how easy it is for predators to see the frogs and is based on color brightness and color contrast with the frogs' habitat. A higher visibility rating suggests that an individual frog is easier to see. Color Variation Visibility Number of Rating Attacks VISIBILITY RATING AND ATTACK FREQUENGY 3.6 41 2. 2.8 28 8 20 19 2.2 10 ó 0.5 1.0 1.5 2.0 25 3.0 3.s 4.0 Visibility Rating 5. 2.1 4 Submit umber of Attacke II
7 of 14 Question 7 My Response Which of the following is most likely to occur as a result of predation pressure? A decrease in the fitness of frogs that experience less predation The appearance of color variations 2 and 3 in most of the frog population An increase in the frequency of color variations with a low visibility rating An increase in mutations that result in color variations with a high visibility rating ||
Transcribed Image Text:7 of 14 Question 7 My Response Which of the following is most likely to occur as a result of predation pressure? A decrease in the fitness of frogs that experience less predation The appearance of color variations 2 and 3 in most of the frog population An increase in the frequency of color variations with a low visibility rating An increase in mutations that result in color variations with a high visibility rating ||
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