Biology, 23.03.2020 19:03, tshepi5348

Salmon eggs hatch in fresh water. The fish then migrate to the ocean (a hypertonic solution) and, after several years of feeding and growing, return to fresh water to breed. How can these organisms make the transition from fresh water to ocean water and back to fresh water?

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Salmon eggs hatch in fresh water. The fish then migrate to the ocean (a hypertonic solution) and, af...