Abortion is emotionally complex, but morally simple. The abortion debate can be simplified if we break it down into four distinct questions, the most important of which concerns the identify of the unborn. What is it? Since the act of abortion is targeted toward the living entity growing in the woman's womb, the morality of abortion depends on what that living entity is.
I offer a syllogistic argument for the pro-life view, followed by an examination of what biologists know about embryonic development. I demonstrate that from a scientific point of view, it is an incontrovertible fact that the life of every human being begins at fertilization.