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May 23, 2015

Homework Help: Evolution

Posted by Kimberry on Monday, October 18, 2010 at 1:39am.

In natural populations of the intertidal copepod Finistra elegans, variation exists for two color morphs: a light brown form and a light green form. A student estimates the frequency of the light brown copepod to be 12%, 15%, and 17% over three consecutive years. Over the same three-year period, the population remained stable and no discernible changes occurred in the abundances of other intertidal species.
(a) Provide five explanations for why the frequency of the light brown copepod has apparently increased. (Please use a few sentences for each explanation.)

(b) What evidence would be required to support an adaptive basis for the increase in frequency of the light brown copepod? Briefly describe one experiment that could provide such evidence.

I have an essay due on Friday and need help getting started with some ideas. PLEASE HELP ME!!!

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