\begin{thebibliography}{1} \bibitem{baryam97} {\sc Bar-Yam{\rm , Y.}}, \newblock {\em Dynamics of Complex Systems}, \newblock Perseus Books Cambridge, MA (1997). \bibitem{dawkins89} {\sc Dawkins{\rm , Richard}}, \newblock {\em The Selfish Gene} 2nd~ed., \newblock Oxford University Press Oxford (1989). \bibitem{sayama00} {\sc Sayama{\rm , H.}, {\rm L.~}Kaufman, {\rm and} {\rm Y.~}Bar-Yam}, \newblock ``The role of spontaneous pattern formation in the creation and maintenance of biological diversity'', \newblock {\em Interjournal (http://www.interjournal.org/)\/} (2000), \newblock submitted. \bibitem{sayama00pre} {\sc Sayama{\rm , H.}, {\rm L.~}Kaufman, {\rm and} {\rm Y.~}Bar-Yam}, \newblock ``Symmetry breaking and coarsening in spatially distributed evolutionary processes including sexual reproduction and disruptive selection'', \newblock {\em Physical Review E {\bf 62}\/} (2000), \newblock 7065--7069. \bibitem{sober82} {\sc Sober{\rm , E.}, {\rm and} {\rm R.~C. }Lewontin}, \newblock ``Artifact, cause and genic selection'', \newblock {\em Philosophy of Science {\bf49}\/} (1982), \newblock 157--180. \end{thebibliography}