The authors say it's one of the most complex and rapid patterns of culturalevolution across a region ever observed in a nonhuman species.
作者认为,这是迄今为止在非人类物种领域发现的最复杂、最快捷的跨区域文化演变模式。
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The social science middle-ground, lately known as sociobiology, claims that we learn at least some specific cultural behaviors on the basis of biological need and evolution.
Exchange and specialization are what makes culturalevolution happen, and the Internet's capacity for encouraging exchange encourages specialization too.