How the hell do you "believe" in a theory? It's a theory, not an incontrovertible truth. How do you dismiss a theory without investigating it?

Nevermind. I know. Let someone else decide for you.

If you would like to read a beautifully written explanation of Darwin's theory, try "Song Of The Dodo". Can't remember the author's name offhand. His THEORY is that islands cause unique species to develop from the same roots.