 While morality in the normative sense is not an empirical phenomenon to be explained, there are still important questions to ask about how evolutionary theory may bear on it. Can we look to our evolutionary background for moral guidance, gaining insight into the content of morality in the normative sense (as claimed by proponents of prescriptive evolutionary ethics)? (Section 3) Does evolutionary theory shed light on metaethics, helping to resolve questions about the existence and nature of morality in the normative sense (as claimed by proponents of evolutionary metaethics)? Does it, for example, lend support to nihilism (the idea that there is really no such thing as morality in the normative sense) or to skepticism (the idea that even if there are truths about morality in the normative sense we cannot know them, or at least could not know them if they were objective truths)? (Section 4)