The urinary bladder in birds is absent becaus | vedclass

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Question

(A) Birds have evolved to be lightweight for efficient flight. Storing liquid urine in a urinary bladder would add unnecessary weight and shift the ce

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It disturbs the equilibrium of birds

Vedclass · Answer

(A) Birds have evolved to be lightweight for efficient flight. Storing liquid urine in a urinary bladder would add unnecessary weight and shift the center of gravity,which would disturb their equilibrium during flight. Furthermore,birds excrete nitrogenous waste primarily in the form of uric acid,which is a semi-solid or solid paste,thus eliminating the need for a bladder to store liquid urine.

The urinary bladder in birds is absent because:

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