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0 pointsDavidSJ15y ago0 comments

Individual organisms don't work for "the system of evolution"'s benefit. They work for themselves.

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But mammals do! They are social creatures. A social group that has more efficient food use due to turnover of injured members would be selected for.

Group-selection explanations are rarely correct.

Yet empirically the effect exists.

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0 pointsDavidSJ15y ago0 comments

Individual organisms don't work for "the system of evolution"'s benefit. They work for themselves.

But mammals do! They are social creatures. A social group that has more efficient food use due to turnover of injured members would be selected for.

Group-selection explanations are rarely correct.

Yet empirically the effect exists.

j / k navigate · click thread line to collapse