He went on the HMS Beagle for a 5 year experdition

He went to the galapagos islands

On each island he found a different type of finch some with small beaks some with long beaks.

He also found out that each finch has to addap to there surroundings if not they will die

Then he came up with the theory of evoulotion which changed the world forever.Some people were angry beacause he thought God wasn't real.

He also realesed a book about his theory of evoulotion.