He suggested that evolution would not repeat itself: the role of random processes in the origin of biodiversity was too important and hence evolution was not predictable. (sciencedaily.com)
Important is also genetic drift which involves random processes on the population level. (sciencedaily.com)
They measured the memory requirements of this simulator, and compared it with the fundamental memory requirements of a classical simulator, when used to simulate specified partly random processes. (sciencedaily.com)