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by NaNDude
1696 days ago
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natural selection is a cultural myth (like everything talking about an undefined "nature"), may be you'r thinking about evolution theory which is driven by reproduction success, but we already bypass it, living far beyond our fertility time :) |
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It is possible that we can "naturally" evolve to live far beyond our individual fertility, and humans did live long before civilization. Complex species like humans require a ton of knowledge and skill training. Old and experienced people can be incredibly valuable to a tribe if they can teach and care for the young, even if they can no longer reproduce themselves. It's not enough to just squirt out offspring. You need to invest in them so they can become successful enough to squirt out their own.
There are other examples like this. Like why various types of animals having warning calls for predators. These things don't make sense for an individual to develop, because the warning call actually draws the predator's attention to the individual making it. The best thing for the individual to do is stay quiet and hide. But the call increases the fitness of the individual's kin, so the trait survives.
Homosexuality might be another instance of this, the "gay uncle" theory. Similar to the reason we live long after fertility, a tribe with a minority of young non reproducing members can be helpful for taking care of and training the children.
It's called kin selection, https://en.wikipedia.org/wiki/Kin_selection