One response to this argument, on behalf of naturalistic realism, grants the claim of pervasive evolutionary influence on the contents of moral beliefs but challenges the claim that this should undermine our confidence in these beliefs. David Copp (2008), for example, has argued that on the conception of moral truths implied by his society-centered moral naturalism, it is plausible to suppose that a moral psychology shaped by natural selection in social contexts would yield moral beliefs that tr