The tendency toward a relatively long survival after menopause in the life cycle of the sapiens female is thought by anthropologists to be an evolutionary adaptation allowing more resources to be allocated to the nurture and protection of the young, who are born helpless and take many years to reach maturity.
The acquisition of language early in its evolutionary history, also an evolutionary adaptation, allows Homo sapiens to pass both practical skills and cultural information across time and to accumulate such skills and information down the generations.
To be continued..
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