Hum Hist I 11 ho 2

Hum Hist I 11 ho 2 - Human History Week 2 lecture 1 History...

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Human History Week 2, lecture 1 History of humanity 1/10/11 Theories of human history (1) Inexorable increases in the complexity of arrangements of matter since the beginning of the universe; humans just represent one phase (the most recent known to humans themselves); human history is governed by the same forces as the evolution of the universe, the planet, and the rest of life (2) Randomness and chance are the major forces; life (including human history) is a lottery Or something in between? The triumph of mammals After extinction of dinosaurs at K-T Boundary (65mya), warm-blooded mammals fill niches previously occupied by dinosaurs In Africa, conditions favor primates evolving bigger brains, nimbler forearms Monkeys evolve 40-45mya; apes, 15-20mya; in central Africa, great apes subdivide into gorillas, chimpanzees, bonobos, “proto-humans” since 5-7mya Ape brains increase in size; proto-humans capture more energy (most notably, with appearance of cooking to process food, probably 1.8mya)
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Hum Hist I 11 ho 2 - Human History Week 2 lecture 1 History...

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