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movements of salts and water in marine and freshwater fish

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movements of salts and water in marine and freshwater fish

Postby imalha » Sat May 06, 2006 6:37 am

[/b] hye there... just wanna ask how to emphasize and compare the movements of salts and water between marine and freshwater fish and their environment...this is my assignment...i dont know hoe to asnwer this...somebody help!!
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Postby mith » Sun May 07, 2006 8:16 pm

if the fish is hypertonic compared to the water(freshwater), it loses salts in urine and needs to pass out extra water that osmosis in. Reverse happens in salt water. Also read up on sharks.
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