Respuesta :

The maintenance of constant osmotic pressure in the fluids of an organism by the dominion of the water and salt concentrations. Which is called Osmoregulation 

Freshwater fish maintain water balance through diffusion of water into it and excreting a hypotonic urine.

What is Diffusion?

This is the process in which molecules move from a region of high concentration to a lower concentration.

Animals limit water loss through the process of homeostasis such as decreased urine production etc.

Read more about Diffusion here https://brainly.com/question/94094

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