Brooks, Daniel R., Paul H. Leblond, and D. David Cumming. “Information and entropy in a simple evolution model.” Journal of theoretical biology 109, no. 1 (1984): 77-93.
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A model of evolution which combines mutations and speciation mechanisms is presented and analyzed. Information and entropy of the populations generated by the model are calculated and followed through history. It is found that the model allows simultaneous increase of information and entropy with time, consistent with notions of physical entropy increase as
well as biological evolution.