Why are freshwater fish under osmotic stress?

+2 votes

 

  

They gain both water and ions from the environment.

  

They lose water to and gain ions from the environment.

  

They lose both water and ions to the environment.

  

They gain water from and lose ions to the environment.

 

asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

0 votes

 

They gain water from and lose ions to the environment.

 

answered Dec 31, 2012 by anonymous

Related questions




...