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Biology 16 Online
zarkam21 (zarkam21):

. Salmon are anadromous fish. This means that they live in the ocean mostly, but breed in freshwater. A freshwater pike is unable to move into the ocean from a river. Based on your knowledge of cellular membranes, explain what must be different about salmon and pike.

OpenStudy (ramirocruzo):

Freshwater Pike is a Freshwater Fish...As the name suggests.... Whereas, Salmon is a marine fish..... Freshwater fish and saltwater fish maintain a salt concentration in their blood of approximately 10 parts per thousand (ppt), or 10 grams of dissolved salt per liter of water. Since freshwater fish swim in water with approximately 0.5 ppt, the chloride cells in their gills are designed to pump sodium, calcium and chloride into the fish. On the other hand, since saltwater fish swim in water with approximately 35 ppt, the chloride cells in their gills are designed to pump salt out of the out of the fish.

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