I'm not all that educated on Buddhist theology/beliefs and got most of my understanding from this vid below. (in my junior years ) [video=youtube;zhNfHsr0uOM]http://www.youtube.com/watch?v=zhNfHsr0uOM[/video]
I used to love watching Monkey as a kid. To answer your question, I think most Buddhists would not dispute Darwin's theory of evolution, but I'm not sure of their position regarding the birth of the Universe/Big Bang.