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Unformatted text preview: EC313-Fall 2010 Problem Set 4 (Updated 18 August 2010) Matt Turner When you write up your answers, your goal should be to (1) be correct, and (2) convince your reader that your answer is correct. Answers which do not achieve these goals will not be awarded full credit. To accomplish the second objective, it is helpful if your work is legible and if all steps are presented, possibly with a line of explanation. Problems 1. Using the information given in Simpson et al, estimate what happens when the number of species increases from 250,000 to 10 million (the number catalogued). Can you verify that the pharmaceutical value of biodiversity decreases by a factor of 10 41 when the number of species increases from their hypothetical value of 250,000 to a best guess number 10 million? If you cannot verify this number from the information they give explain why not. 2. Consider a set of four species whose genetic distances from each other are given by the figure below. Suppose that all four are subject to the same high risk of extinc-the figure below....
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This note was uploaded on 11/04/2010 for the course ESC 313 taught by Professor M during the Fall '10 term at University of Toronto- Toronto.
- Fall '10