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Old 02-28-2009, 08:53 PM
bramble bramble is offline
Join Date: Oct 2006
Posts: 31
Default Re: Science Saturday: Evolution of the Gracile Human

I think MArvin harris had the idea that it was population pressure that caused hunter gatherer societies to seek ways to increase production, thus AG was culturally selected. He points out in cannibals and Kings (?) that modern hunter gatherer societies know how to plant things and do it on a small scale, but since there is no need for them to increase production they don't bother with all the long-term planning and extra work AG demands.
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