Test 1 - Bonus Question - Pepper Moth  Predation Study 1920
Please use the Research Article and my Tutorial Video on the study to answer these questions completely for extra credit on your first test.

 https://docs.google.com/a/whbschools.org/viewer?a=v&pid=sites&srcid=d2hic2Nob29scy5vcmd8Z3JvZHNraS1hcC1iaW9sb2d5fGd4OjQwMzRkM2I4OWI4ODg4YTU

The better your answer the larger the points that will be awarded.  


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1.  What was the purpose or the motivation behind this research?  Why did this researcher perform the largest predation experiment ever?
2. In terms of Table 2 and Figure 1, explain the significance of the differences in the Heterogeneous Overall Survival Prediction and moths actually eaten between the Typicals and Melanics throughout the years.
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3.  In terms of figure 1, why are the error bars (+- 2 SEM) for the Melanic moths increasing and what is significant about the differences between the error bars in the Typicals?
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4.  What data from either the table or figure 1 (or both) supports the find that there is a significant selective pressure on the melanic moths that resulted in a lowered frequency of the black allele from the Industrial age?
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