Small animals tend to expire sooner than related large ones ifforced to live on stored supplies. For instance, suppose you havea mouse and a dog that both start with body stores of fat equal to20% of body weight. Explain why the mouse would be likely todie sooner if these animals could not find any food and thus hadto live on their fat reserves. Which one would die sooner if theywere trapped underwater and had only their stores of O2 to liveon while trying to escape?

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