A fish taken out of water cannot survive for a longtime.why?

1.	A fish taken out of water cannot survive for a longtime.why?
Answer» Fish takes oxygen dissolved in water.Their gills are designed in such a way that they take dissolved oxygen easily but when they are kept out of water they are not able to take oxygen directly from air That\'s why fish taken out of water can\'t survive for a long time. The fish can not take the sufficient oxygen that it is taking in the water.

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