Which of the following statements is not true? A) Respiratory gases are exchanged only by diffusion. B) O₂ has a lower rate of diffusion in water than in air. C) The O₂ content of water falls as the temperature of water rises. D) The amount of O₂ in the atmosphere decreases with increasing altitude. E) Birds have evolved active transport mechanisms to augment their respiratory gas exchange.

Question

Quizplus · Accepted Answer

Birds do not use active transport mechanisms for respiratory gas exchange; they rely on efficient diffusion through their specialized respiratory system.

Which of the Following Statements Is Not True