ANT214H5 Lecture Notes - Lecture 2: Bovine Spongiform Encephalopathy, Theobroma Cacao, Western Corn Rootworm
Document Summary
First hominin ancestor 5 to 7 mya. Adaptive radiation of hominids is during the miocene 3 1. 5 mya. Homo erectus existed 2 mya 200,000 ya. Hunting came later, early ancestors were instead scavengers. 17,000 to 12,000 years ago people are less nomadic, evidence of settlement. Agriculture is an occupational specialization, varying between cultures and its members (not everybody became a farmer) Irrigation and plow agriculture contributed to a more complex, hierarchal society. Allows for investments in agriculture and decreased infant mortality (population growth) Not necessarily the next in human evolution. Dependence of main crop and potential of crop failure. High populations favor herd diseases (small poxes and measles) Essay on population growth stating the natural outcome of poverty and outcome + the doubling of a population every 25 years without any restraints. Why didn"t malthus prediction about the world"s population outstripping world food production come true? extinction of many large game species.
