Mammals such as the vampire bat have the ability to generate a urine with a concentration of approximately 3,600 millisomoles (mOsm). If the concentration of their blood is approximately 300 mOsm, their water loss is ______ by producing a concentrated urine.

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By producing urine that is 12 times more concentrated than their blood (3600 mOsm compared to 300 mOsm), mammals like the vampire bat minimize water loss. This is because they excrete waste in a much more concentrated form, requiring less water to expel the same amount of solutes, thus reducing water loss by approximately 11/12.

Mammals Such as the Vampire Bat Have the Ability to Generate