BIO SCI 1A Lecture Notes - Lecture 17: Exponential Growth, Thomas Robert Malthus, Doubling Time
5 Mar 2016
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Parental care duration longer than in other hominoids. This enhances learning and is associated with behavioral complexity of humans. And then there is culture, and what humans are good at: A few notes on mate choice in humans. Men prefer women with high reproductive value as long-term mates. Women tend to prefer men with economic security. More on these marvels known as human brains. 3x the size of non-primate mammals--lions, horses, dogs, cats. Neocortex - thin sheet of cells and outer core of brain. Evolution of primate brain could be called the evolution of the neocortex! Teeth: with jaw size reduction got smaller mouth. Result: many people dont get wisdom teeth, and those that do not need to get pulled. Childbirth - difficulty of passing large head through pelvic region. Upright posture increases likelihood head will become lodged in pelvis. Back - strong curvature of back causes back problems.
