Punctuated equilibrium and criticality in a simple model of evolution
- 13 December 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 71 (24) , 4083-4086
- https://doi.org/10.1103/physrevlett.71.4083
Abstract
A simple and robust model of biological evolution of an ecology of interacting species is introduced. The model self-organizes into a critical steady state with intermittent coevolutionary avalanches of all sizes; i.e., it exhibits ‘‘punctuated equilibrium’’ behavior. This collaborative evolution is much faster than non-cooperative scenarios since no large and coordinated, and hence prohibitively unlikely, mutations are involved.Keywords
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