God is who apparently the creator of the Earth. If he did create the Earth, He definitely did it by using Biology, cells, bacteria, and DNA. Evolution doesn't really disprove God, nor can anything, but nothing can prove his existence either. Wait, it can't be a man, God is obviously not a human, since there are so many species on Earth. God is also obviously not just on Earth, "He" would have to be in control of the entire Universe. Afterlife - I would be content with other ideas such as Reincarnation or just Death.