Homework Assignment #1: Distribution and abundance

Due: Wednesday, 27 September 2006

 

1. You are studying the insect community up in Benton Meadows on Craig Mountain.  You discover that there are four commonly occurring species within the confines of the meadow system that has an area of 50 acres.

            Species A         1000 inds.

            Species B         2500 inds.

            Species C           750 inds

            Species D         1250 inds.

 

Calculate the absolute and relative abundance as well as the density of each species. (6 points)

 

 

 

 

 

 

 

 

 

2. Given the three types of individual dispersion within a population, which do you think would promote polygyny?  Which would promote monogamy? (2 points)

 

 

 

 

 

 

 

 

3. What is the difference between an species’ geographic range and ecological range? (2 points)

 

 

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