Aquatic frog larvae (tadpole) use much more energy in breathing than an adult terrestrial frog a. Water is very heavy to ventilate. O b. It has a high metabolic rate. O c. It is constantly losing heat to the surrounding water. d. Herbivores use more energy than predators when feeding and digesting. It is actively swimming. e.

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Sleep Physiology

Sleep is a condition of reduced muscle movement in the body. Awareness about the surroundings is reduced at the time of sleep. The body stays mildly responsive or non-responsive to external stimuli. The sleep-wake cycle is controlled by the circadian rhythm that produces a resting phase for the body.