Written by: Digger In most movies that involve a monster of some sort, you usually get a story that revolves around one type of creature or ghost or alien. Rarely, a monster movie will have two or three different varieties of creature, but in the science-fiction comedy Evolution, you get an entire ecosystem’s worth of imaginative creatures. Ivan Reitman, most well known for directing Ghostbusters, took a serious and straight-forward script about an unusual alien invasion and turned it into a humorous outing in his own style. It begins with a meteor from the unknown reaches of deep space crashing to earth in the Arizona right on top of Wayne’s (Seann William Scott’s) car, turning it into a smoking hole in the ground. Ira Kane (David Duchovny) a professor at the local community college finds out about the meteor impact and suggests to his friend and geology professor Harry Block (Orlando Jones) that they check it out. Ira takes a sample from the meteor and discovers it contains nitro