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by perl4ever 3062 days ago
In a booming population, it seems to me that evolution can be more rapid in "selection" with less "pressure". For instance, if humans start exploring a new continent, some might have 10 times the normal number of grandchildren, and their genes would rapidly outnumber the others. Whereas if population is static, then you could say there's more "pressure" but there's probably less "selection", because there's less opportunity and variance in success.