Thermoregulatory Body

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Another hypothesis is about thermoregulatory from Wheeler who discusses the temperatures of our ancestor’s habitat and how they tried to reduce and gain heat with their body. "Erect posture exposes less surface area to the sun and lifts the body above the ground, which keeps the body temperature cooler and reduce the dangers of dehydration and sunstroke on the savanna" (Wheeler). By having an upright position, the body is able to reduce the suns impact and allowing the body to be cooler. With the upright position, the body is now able to reduce the effects of evaporation in order conserve water throughout the body. Also, the body is able to conserve energy by walking long distances on two legs rather than four. This gave an advantage when our
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