Exam_1_2011_KEY

Each 2 pts for a curve upward 1 point for a line with

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Unformatted text preview: Tell us the key traits that makes this example need a metapopulation framework. 4 points for example. And 4 points noting key traits of discrete local patches surrounded by areas that are somewhat difficult to cross, but with at least some migration. Page 3 PCB 3043  ­ ­ Fall 2010  ­ ­ First Exam Name_______________________________________ 0 20 40 60 density 80 100 10 8 6 4 0 2 population growth rate 60 density 0 -0.6 20 40 0.0 -0.4 -0.2 pcg 0.2 80 0.4 100 G. Consider a population whose growth rate is determined by the graph at the right. Use this graph to draw the graphs in the middle and right. We are concerned about the shape of these curves, not the exact locations 4 pts. each. 2 pts. for a curve upward. 1 point for a line with positive slope. 5 10 15 20 25 time 5 10 15 time 20 25 H. (10 pts.) Human population growth. 1. Briefly describe what we know about human population growth up to the year 2010? In particular, does it fo...
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This document was uploaded on 03/17/2014 for the course PCB 3043 at FSU.

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