patrick6 wrote:
Why does 'nature' encourage living organisms to breed? (Why would nature care if we breed or not? Sex is obviously pleasurable in order to encourage living organisms to breed, that isn't difficult to figure out, but I wonder why it (nature itself) would want organisms to breed.)
Not really a meaningful question. "Nature" linked to "encourage" and "want" - it does neither.
There are some fundamental ways physics works that, as a side effect, have resulted in sufficient complexity to exhibit what we call "life". One mechanism that gets used on this planet is "breeding".
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