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ANSC 101
Dr. Yoder Exam 3 Study Guide
Question | Answer |
---|---|
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 |