Biology 21: Human Biology
Dr. Elizabeth McGee
The Evolutionary Arms Race
Viewing Guide
(This video was shown in class; you can view it at the Instructional Resource Center.)
1. The video gives a couple examples of co-evolution (i.e., evolution in two species that is driven by
one another). Describe two examples of co-evolution.
2. Over 60 years ago, antibiotics were considered one of the greatest advances in science. Why are
antibiotics so problematic now?
How can these problems be handled?
3. Regarding communicable diseases, what is the relationship between mild toxicity and proximity?
What factors favor increased harmfulness or decreased harmfulness? Use the case of cholera to
illustrate this.
4. What do cats and humans have in common in terms of immunodeficiency virus? Why are some
cats and people less susceptible to immunodeficiency virus?
5. What is the relationship between bubonic plague and HIV?
6. Who are the following people mentioned in the video?
Edmund Brodie ________________________________________________________________
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Barry Kreisworth _______________________________________________________________
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Alex Goldfarb _________________________________________________________________
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Stephen O’Brien _______________________________________________________________
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Erika Von Mutius _______________________________________________________________
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7. Know the context in this video of the following terms:
microbes _____________________________________________________________________
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toxins _______________________________________________________________________
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tuberculosis ___________________________________________________________________
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bubonic plague ________________________________________________________________
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influenza virus _________________________________________________________________
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garter snake __________________________________________________________________
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newt ________________________________________________________________________
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