According to what standard? Presumably you believe you are an accidental combination of chemicals, here because other chemical mixtures were the "fittest" -- o

According to what standard? Presumably you believe you are an accidental combination of chemicals, here because other chemical mixtures were the "fittest" -- often, the most ruthless. On what basis does a fittest chemical blob say "you ought to..."? You need an objective moral standard for that and you won't find it in your chemistry set.