Evolution... We didn't appear out of no where, we evolved over millions of years into what we are today. In another million years we will look 150% different then we do today.

Ever see the episode of The Simpsons when Lisa makes an entire civilization with a soda can? What if our god is like that, just some dork with a big brain, and we are starting to get to smart for our boots so he plans on ending our existence in 2012.