If the basis of morality is evolutionary and species-specific (for instance, tit

If the basis of morality is evolutionary and species-specific (for instance, tit

If the basis of morality is evolutionary and species-specific (for instance, tit for tat behaviour proving reproductively successful for humans; cannibilism proving reproductively successful for arachnids), is it thereby delegitimised? After all, different environmental considerations could have favoured the development of different moral principles.

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