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ap human chapter 2

Ecume major areas or permanent inhabitation -continental margins -2/3 s of human pop.live within 300 miles of ocean - low lying fertile lands
nonecume where the people dont live -the hollow continent ( south america) -the sahara dessert -antartica/ artic, siberia
diffusion process by which an idea or innovation is transmitted from one individual to another across space
expansion diffusion - 1.contagious diffusion when expansion diffusion affects all individual in the region (ex. plague)
expansion diffusion -2.hierchal diffusion ( hierchy) when transfer of things occurs first in the biggest cities and slowly trickles down to the mosr rural of areas ( from city to surrounding countryside)
expansion diffusion -3.stimulus diffusion when the complex, instead of the traits are transferred ( ex. pizza) -everyone puts individual traits into an idea
relocation diffusion ( nomadic) the trait that is physically carried to new areas by moving population -artifact= material object used to fill basic needs ex. fork, book, spoon -mendifact= abstract belief systems passed down (ex. religion,skill, folklore,myths)
independent innovation occurs when diffusion DID NOT happen, yet different culture create the same trait .(ex. mayan, mesopotamian temples)
time distance decay the spread of an idea or invention slows down as distance from the hode increases (ex. bachata)
node starting point of a fad (hearth)
Created by: sashy