PLPA 2003 Lecture Notes - Lecture 5: Tuber, Rotavirus, Cytokine
Document Summary
Plant domestication: what was the rst domesticated plant, apple, bottle gourd, wheat, corn. Plant domestication: first domesticated plant, bottle gourd! 10,000 bc calabash: storage water, cereals rst domesticated in fertile crescent 9,000 bc. Eastern egypt to syria and iraq: wheat, rye, draining swamp, climate change, annual plants (seed) vs perennial plant, maize (corn) domesticated in north. America 5,000 bc: rice domesticated in asia, 5,000 bc, potato domesticated in south. Desirable traits: larger yield (maize) 500 kernel, non shattering (wheat, not poisonous! (potato). What was the rst domesticated animal: dog, cow, chicken, pig. Desirable traits: more docile, smaller, fast growing, 1600 aurochs extinct. Demographic implications: higher density food support larger groups, non-migratory, concept of land ownership, permanent structures, more specialized job roles, higher dependence on fewer species. 5"10 average male height compared to 5"3. 20 year life expectancy: but more children! More disease: higher density populations, more waste accumulation, cohabiting with animals.
