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Evolution is working every single generation. Dogs no more or less than humans or anything else. Dogs were selected, but everything responds to environmental p
by JoeAltmaier 3y ago
Evolution is working every single generation. Dogs no more or less than humans or anything else.
Dogs were selected, but everything responds to environmental pressures. All the time. Natural ones no different than human-provided ones, right?
And humans have changed more in the last 50K years than in the 1M before that. Because of civilization I have to think. Anyway, off by 2 orders of magnitude there, for really significant changes.
- xdavidliu 3y agoi’m not saying the effect is zero; im saying the effect is clearly too small; there are obviously degrees to this. halving of overall hormone levels are surely not explained by a measly three generations of improved health care removing the selective pressure in favor of the survival of high-hormone humans