BIOL133 Week 8 Discussion; Those Who Wish to Sing Always Find a Song
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Part 1
Question 1. The data from the experiment Dr. Trudeau describes is shown below in Figure 1. Graphs like Figure 1 are called survival curves. Write a narration of the figure describing the results of the experiment. Explain why the rabbits are emaciated in groups 1 and 2. (Please note: What Dr. Trudeau called Experiments 1, 2, and 3 are more like what modern scientists would call treatment groups 1, 2, and 3, and that terminology is used in Figure 1.)
Question 3. Do Dr. Trudeau’s results support the germ theory of infection? Why or why not?
Question 4. What do the data suggest might be good environmental conditions for tuberculosis patients?
Question 6) What is the dependent variable in the Rabbit Island Experiment? Also, list all of the independent variables you can think of in the experiment.
Question 9) Suppose you were the Mayor of New York City in the 1890s/early 1900s and were convinced by Dr. Trudeau’s experiments that in your city a transmissible bacterium was causing tuberculosis and that poor living conditions and inadequate diet were adversely affecting the ability of hundreds of people to fight the infection. What sort of public policies might you try to enact in order to combat the public health menace? What obstacles might you encounter?
Part 2
Question 2. Tuberculosis causes nearly 2 million deaths worldwide each year. Between 1985 and 1992, cases of TB in the United States increased by 20 percent, as shown in Figure 3. Write a paragraph suggesting a few reasons why this resurgence of TB might have occurred in the United States.
