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5.How does the simulation model natural selection?

5.How does the simulation model natural selection?

Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter20: Development Of Evolutionary Thinking
Section20.2: Darwin’s Journeys
Problem 2SB: How did Darwins understanding of artificial selection enable him to envision the process of natural...
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5.How does the simulation model natural selection?
Transcribed Image Text:5.How does the simulation model natural selection?
Industrial Melanism is a term used to describe the adaptation of a population in response to pollution. One example of rapid industrial melanism occurred in populations of peppered moths in the area of Manchester, England from 1845 to 1890. Before the industrial revolution, the trunks of the trees in the forest around Manchester were light grayish-green due to the presence of lichens. Most of the peppered moths in the area were light colored with dark spots. As the industrial revolution progressed, the freee trunks became covered with soot and turned dark. Over a period of 45 years, the dark variety of the peppered moth became more common. In this lab, you will simulate how predators locate prey in different environments. You will analyze how color affects and organism's ability to survive in certain environments. Hypothesis: If the color of the prey matches the background color then (complete the statement) then it would be more difficult for the predator to spot and capture them Procedure. 1. Place a sheet of white paper on the table and have one person spread 40 white circles and 40 newspaper circles over the surface while the other person isn't looking. 2. The "predator" will then use forceps to pick up as many of the circles as he can in 15 seconds. Imagine yourself as a 'predator' in the wild 3. This trial will be repeated as shown in the chart below, changing the background after the second trial. 4. Next use newspaper and white cutouts on a newspaper background. Record the data on the data chart below. Data Table Starting Number of population of Number of remaining white Starting population of white cutouts remaining Trial # Background newspaper cutouts newspaper cutouts cutouts 1 White 40 40 38 31 2 White 40 40 36 3 Newspaper 40 40 34 4 Newspaper 40 33 40 29 39 37
Transcribed Image Text:Industrial Melanism is a term used to describe the adaptation of a population in response to pollution. One example of rapid industrial melanism occurred in populations of peppered moths in the area of Manchester, England from 1845 to 1890. Before the industrial revolution, the trunks of the trees in the forest around Manchester were light grayish-green due to the presence of lichens. Most of the peppered moths in the area were light colored with dark spots. As the industrial revolution progressed, the freee trunks became covered with soot and turned dark. Over a period of 45 years, the dark variety of the peppered moth became more common. In this lab, you will simulate how predators locate prey in different environments. You will analyze how color affects and organism's ability to survive in certain environments. Hypothesis: If the color of the prey matches the background color then (complete the statement) then it would be more difficult for the predator to spot and capture them Procedure. 1. Place a sheet of white paper on the table and have one person spread 40 white circles and 40 newspaper circles over the surface while the other person isn't looking. 2. The "predator" will then use forceps to pick up as many of the circles as he can in 15 seconds. Imagine yourself as a 'predator' in the wild 3. This trial will be repeated as shown in the chart below, changing the background after the second trial. 4. Next use newspaper and white cutouts on a newspaper background. Record the data on the data chart below. Data Table Starting Number of population of Number of remaining white Starting population of white cutouts remaining Trial # Background newspaper cutouts newspaper cutouts cutouts 1 White 40 40 38 31 2 White 40 40 36 3 Newspaper 40 40 34 4 Newspaper 40 33 40 29 39 37
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