送交者: 自如 于 2005-7-12, 13:12:11:
回答: the terminology here is confusing 由 xj 于 2005-7-11, 19:29:42:
We are talking about the factors that leads to differentiation in the development of agriculture around the world. As far as gene is concerned, there is not much difference between American Indians and ancient Chinese. In fact, Diamond has cited many examples that demonstrate that those nations lagging behind in agricultural development pick up very quickly once the environment allows (e.g. when stock, plants are brought in by outsider). He even concludes that the average intelligence is higher in the remaining hunter-gatherer societies because of their tough living condition.