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ANSC 101

Dr. Yoder Exam 3 Study Guide

QuestionAnswer
Oasis Hypothesis Life becomes centralized around water sources prime land is wanted, population stays there for production
dump heap hypothesis o We burn things, leave trash lying around, etc. o Some plants thrive in this environment.
Coevolution hypothesis driven by economic decisons Grow things that are wanted, grow faster, produce most, reproduce fastest
demographic hypothesis agriculture is forced because we need to survive
marginal habitat/edge hypothesis people settle into areas with abundant resources the populations spreads, the marginal areas resort to agriculture to sustain themselves
How can we tell if a plant is domesticated? Seed size/hearty sprouts/seed coat thickness/dispersal mechanism/clustering/geographic distribution
How can we tell if an animal is domesticated? size differences/geographic distribution/kill pattern/osteological differences
Domestication in New World-What? Maize/beans/squash/peppers/potatoes/quinoa/turkey/guinea pigs/llamas
Mesoamerica Squash-10,000-8,000 ya Maize-from teosinte (tehuacan valley)7100 ya Beans
Andean Highlands Quinoa 5000 potato 4000 cotton 5000 llama 5000
Created by: jaddison3