Comparative Organ System Anatomy · Zoology

Uricotelic excretion is characteristic of:

  1. Freshwater bony fishes
  2. Aquatic amphibians
  3. Birds and reptiles
  4. Placental mammals
Show answer and explanation

Correct answer: Birds and reptiles

Birds and reptiles excrete nitrogenous waste mainly as uric acid. This conserves water and supports terrestrial life.

Difficulty: Medium Question 10 of 20

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