Blobru--
You might be interested in reading B.F. Skinner's "Beyond Freedom and Dignity." In it, Skinner talks about the evolution of culture, and specifically of values. (And while some here might call it memetics, Skinner was fond of referring to Natural Selection, to Learning, and to Cultural Change, each as a case of selection by consequences.)
In this case, of course, just as something is not selected for because it makes us more fit (the "fitness" is actually defined by its selection), Moral behavior is not selected for because it helps us to survive, but rather the fact that it has, in our past, helped us to survive, that makes us value it as moral behavior. Examples ranging from "thou shallt not kill" to kosher laws to sacred cows are easily seen as responses to the environmental situations from which they arose. In other environments, completely different moral structures might be selected (just ask science fiction writers).
You might be interested in reading B.F. Skinner's "Beyond Freedom and Dignity." In it, Skinner talks about the evolution of culture, and specifically of values. (And while some here might call it memetics, Skinner was fond of referring to Natural Selection, to Learning, and to Cultural Change, each as a case of selection by consequences.)
In this case, of course, just as something is not selected for because it makes us more fit (the "fitness" is actually defined by its selection), Moral behavior is not selected for because it helps us to survive, but rather the fact that it has, in our past, helped us to survive, that makes us value it as moral behavior. Examples ranging from "thou shallt not kill" to kosher laws to sacred cows are easily seen as responses to the environmental situations from which they arose. In other environments, completely different moral structures might be selected (just ask science fiction writers).