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Akangaroo rat is a mammal that lives in hot desert regions of America.
In Kangaroo rats, the tissue surrounding the collecting duct contains a high concentration of ions. Explain how this feature enables kangaroo rats to survive in the desert.(3marks)

Reply 1

BankaiGintoki

Original post by Towhidul islam

In desert, need to conserve water to prevent dehydration.
Osmosis - movement of water from low to high solute concentration, until equilibrium.
High ion concentration in collecting duct, so more water reabsorbed.