Q2 of 70 Page 92

If a freshwater fish is placed in an aquarium containing sea water, will the fish be able to survive? Explain giving reasons.

If a freshwater fish is placed in an aquarium containing sea water the fish may not survive. Marine or sea fish is exposed to high salt concentration. Whereas freshwater fish is exposed to low salt concentration. This change of salinity leads to disturbance in osmotic pressure. The amount of water exiting the freshwater fish’s body increases and it dies due to dehydration.


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