Wednesday, December 25, 2019

The Transition Of Agriculture During The Rio Perdido Valley

Based on the research in Mexico, my theory is that the transition to agriculture in Mesoamerica began in the Rio Perdido Valley. There is not a lot of sufficient evidence, but what little evidence there is seems to suggest that the people in these sites (9 and 10) had a sedentary way of life and a rapid transition from having no domesticated late maize to having 40% late maize. It seems likely that this is where the transition to agriculture began, but again, it is difficult to tell based on the small amount of evidence that we have. Across the board, all the sites show a decrease in wild plants and animals, and a corresponding increase in domesticated squash, beans and early and late maize. Maize and Teosinte developed different characteristics to suit human needs based on human selection, such as larger grain sizes and tighter seed pods that couldn’t spread without human help. I think that Site 13, Cueva Tucan, provides good evidence of domesticated plants, because it has the largest percentage of domesticated crops at 7-3 KBC and domesticated late maize jumps from 25% to 40% between 2-1 KBC and 1-0 KBC. Wild crops decrease steadily with increasing domestication, revealing a transition from foraging subsistence to reliance on domesticated crops. This gradual transition of plant domestication seems to be incidental rather than intentional. Site 10, Bini Chuj, provides the best evidence for an agricultural way of life. This site has domesticated crops early on like

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