PSYC14H3 Chapter Notes - Chapter 11: Zande People, Coronary Artery Disease, Visual Acuity
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However, these same footprints revealed that the gait of australopithecines may not have been quite as bipedal as that of modern humans. there are a few diff: Laetoli prints revealed a wider front part of the foot, with the big toe more separated from the second toe and a more pronounced arch. Although bipedal, the laetoli austrolopithecines did not yet appear to be as fully bipedal as modern humans. Their feet still seemed to preserve some key nonhuman characteristics. Running has been central enough to human history that some researchers have proposed that humans evolved to be endurance runners which enabled them to outrun prey over long distances culture influences a lot of psychological variables. Biological variability there are 2 reasons why bio are diff across cultures: humans from diff parts of wrld are subject to diff selection pressures over many generations --> human genome diverging across different pop.
