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Importantly, the organization of social groups into a hierarchy serves an adaptive function that benefits the group as a whole. When essential resources are limited, individual skills vary, and reproductive fitness determines survival, hierarchies are an efficient way to divide goods and labor among group members.
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Answer:
The civil service examination system was an important vehicle of social mobility in imperial China. ... This curricular uniformity had an extremely powerful effect on Chinese society, and the major impetus for this uniformity was the meritocracy promoted by the civil service examination system.
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