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Separated Species A population of mice live in a light, sandy environment. The majority of mice have light-colored fur, and the remaining mice have either medium-colored fur or dark-colored fur. A flood occurs in the area, creating a river that separates the population and changes the color of the ground on either side. After a long period of time, the water dries up and the two groups of mice are able to interact again. After the change, mice from different sides are unable to breed with each other. The pictures show the environment before, during and after the change Original Environment Generation 15 % Generation 20 0% Environments after separation by water 90% North side South side The table shows the frequency of fur color across the populations when the mice were separated by the water. North Side Light furMedium furDark furSouth Side Light fur Medium fur Darkfur Generation 185% 12% 3% % P Generation 5 50% 45% Generation 10 20% 75% Generation 1 90% 3% 7% 5% 5% Generation 570% Generation 10 37% 23% 58% 87% 5% Generation 15 10% 45 Generation 20 0% 5% 8% Environment after water dries up 0% 84% 94% Part A Which statement explains what happened to the mice with light-colored fur over generations? O The population size increased before it decreased on the north side. O The population size decreased before it increased on the south side. O The population size decreased on both sides and then became extinct O The population size increased on both sides before it decreased and became extinct. Part B: Which evidence supports the answer to part A? O The frequency of light-colored fur remained the same on the north side O The frequency of light-colored fur remained the same on the south side O The greatest number of mice with light-colored fur were in the first generation. O Mice with light-colored fur are not present on either side after twenty generations

Separated Species A population of mice live in a light, sandy environment. The majority of mice have light-colored fur, and the remaining mice have either medium-colored fur or dark-colored fur. A flood occurs in the area, creating a river that separates the population and changes the color of the ground on either side. After a long period of time, the water dries up and the two groups of mice are able to interact again. After the change, mice from different sides are unable to breed with each other. The pictures show the environment before, during and after the change Original Environment Generation 15 % Generation 20 0% Environments after separation by water 90% North side South side The table shows the frequency of fur color across the populations when the mice were separated by the water. North Side Light furMedium furDark furSouth Side Light fur Medium fur Darkfur Generation 185% 12% 3% % P Generation 5 50% 45% Generation 10 20% 75% Generation 1 90% 3% 7% 5% 5% Generation 570% Generation 10 37% 23% 58% 87% 5% Generation 15 10% 45 Generation 20 0% 5% 8% Environment after water dries up 0% 84% 94% Part A Which statement explains what happened to the mice with light-colored fur over generations? O The population size increased before it decreased on the north side. O The population size decreased before it increased on the south side. O The population size decreased on both sides and then became extinct O The population size increased on both sides before it decreased and became extinct. Part B: Which evidence supports the answer to part A? O The frequency of light-colored fur remained the same on the north side O The frequency of light-colored fur remained the same on the south side O The greatest number of mice with light-colored fur were in the first generation. O Mice with light-colored fur are not present on either side after twenty generations

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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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Separated Species A population of mice live in a light, sandy environment. The majority of mice have light-colored fur, and the remaining mice have either medium-colored fur or dark-colored fur. A flood occurs in the area, creating a river that separates the population and changes the color of the ground on either side. After a long period of time, the water dries up and the two groups of mice are able to interact again. After the change, mice from different sides are unable to breed with each other. The pictures show the environment before, during, and after the change. Original Environment Generation 15 8% Generation 20 0% 45% The table shows the frequency of fur color across the populations when the mice were separated by the water. North Side Light fur Medium fur Dark fur South Side Light fur Medium fur Dark fur 85% 12% 3% 90% 5% 5% Generation 1 Generation 5 50% Generation 10 20% 75% 87% 96% North side 5% 5% Environments after separation by water 5% 4% South side Generation 1 Generation 5 70% Generation 10 37% Generation 15 10% Generation 20 0% 7% 5% 6% Environment after water dries up 6% 23% 58% 84% 94% Part A: Which statement explains what happened to the mice with light-colored fur over generations? O O O O O A. B. O C. D. A. The population size increased before it decreased on the north side. Part B: Which evidence supports the answer to part A? The population size decreased before it increased on the south side. C. The population size decreased on both sides and then became extinct. The population size increased on both sides before it decreased and became extinct. O B. The frequency of light-colored fur remained the same on the south side. The frequency of light-colored fur remained the same on the north side. The greatest number of mice with light-colored fur were in the first generation. O D. Mice with light-colored fur are not present on either side after twenty generations.
Transcribed Image Text:Separated Species A population of mice live in a light, sandy environment. The majority of mice have light-colored fur, and the remaining mice have either medium-colored fur or dark-colored fur. A flood occurs in the area, creating a river that separates the population and changes the color of the ground on either side. After a long period of time, the water dries up and the two groups of mice are able to interact again. After the change, mice from different sides are unable to breed with each other. The pictures show the environment before, during, and after the change. Original Environment Generation 15 8% Generation 20 0% 45% The table shows the frequency of fur color across the populations when the mice were separated by the water. North Side Light fur Medium fur Dark fur South Side Light fur Medium fur Dark fur 85% 12% 3% 90% 5% 5% Generation 1 Generation 5 50% Generation 10 20% 75% 87% 96% North side 5% 5% Environments after separation by water 5% 4% South side Generation 1 Generation 5 70% Generation 10 37% Generation 15 10% Generation 20 0% 7% 5% 6% Environment after water dries up 6% 23% 58% 84% 94% Part A: Which statement explains what happened to the mice with light-colored fur over generations? O O O O O A. B. O C. D. A. The population size increased before it decreased on the north side. Part B: Which evidence supports the answer to part A? The population size decreased before it increased on the south side. C. The population size decreased on both sides and then became extinct. The population size increased on both sides before it decreased and became extinct. O B. The frequency of light-colored fur remained the same on the south side. The frequency of light-colored fur remained the same on the north side. The greatest number of mice with light-colored fur were in the first generation. O D. Mice with light-colored fur are not present on either side after twenty generations.
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