Originally Posted by willravel

"Where life begins" isn't a philosophical question. It's a scientific question and then proceeding that a moral question. There are right and wrong answers for these questions. Sperm and ovum are not alive, but become a living organism upon fertilization and then incubation. In that period between fertilization and incubation is where the tissue and cells go from being not alive to being alive. As soon as it becomes human, it becomes a part of a species that can achieve homeostasis, can metabolize, can grow, can adapt, can respond to stimuli, and can reproduce.