Question

fresh water fish observe salts from

Answer 1

Explanation:

the grills actively uptake solve from their environment by the use of Mitochondria rich cells water will diffuse into the fish so it is a very hypotony dilute urine to expel all the excess water

maybe it's helpful for you

Answer 2

Answer:

The gills actively uptake salt from the environment by the use of mitochondria-rich cells. Water will diffuse into the fish, so it excretes a very hypotonic (dilute) urine to expel all the excess water.

informative question....