人为压力下的生物进化：驯养 Animal Domestication Table Animal Where Date Domesticated Dog undetermined ~14-30,000BC? Sheep Western Asia 8500BC Cat Fertile Crescent 8500BC Goats Western Asia 8ooo BC Pigs Western Asia 7000BC Cattle Eastern Sahara 7000BC Chicken Asia 6000BC Horse Kazakhstan 3600BC Silkworm China 3500BC Honey Bee Egypt 3000BC Duck Western Asia 2500BC人为压力下的生物进化：驯养 Animal Domestication Table Animal Where Domesticated Date Dog undetermined ~14-30,000 BC? Sheep Western Asia 8500 BC Cat Fertile Crescent 8500 BC Goats Western Asia 8000 BC Pigs Western Asia 7000 BC Cattle Eastern Sahara 7000 BC Chicken Asia 6000 BC Horse Kazakhstan 3600 BC Silkworm China 3500 BC Honey Bee Egypt 3000 BC Duck Western Asia 2500 BC