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UPA Tomcod
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Published on Nov 25, 2015
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1.
UPA Tomcod
Colby, Zach, Kevin
Photo by
thewooj [50mm]
2.
The Atlantic Tomcod is a common bottom-feeding fish in the Hudson River
Photo by
BioDivLibrary
3.
The Tomcod survives chemical exposures that kills most other fish. These chemicals are called PCB's
Photo by
Iwan Gabovitch
4.
General Electric released 1.3 million pounds of PCBs into the Hudson River from 1947 to 1976.
Photo by
mr rudeforth
5.
Some Tomcod have a gene variation that protects them from PCB's
Photo by
hilighters
6.
This gives them a higher rate of survival and more time to reproduce then Tomcod without this variation.
Photo by
Rafael Souza ®
7.
Part 2
Hypothesis
Photo by
promaine
8.
Suppose there was a Tomcod specie with a gene variation that allowed them to produce twice as many eggs.
Photo by
h080
9.
If the pollution (PCB’s) in the Hudson River were eliminated, then the Tomcod with this gene variation would outcompete those that didn’t have this variation.
Photo by
Dougtone
10.
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