Further reading Allen, C., M. Bekoff, G. Lauder, eds., Nature's Purposes: Analyses Of Function and Design in Biology. MIT Press, 1998. () Mayr, Ernst, The Growth of Biological Thought. Diversity, Evolution, and Inheritance. Cambridge (MA): Belknap Press of Harvard University Press, 1982 : pp. 47–51 (differentiating four kinds of teleology). Mayr, Ernst, What Makes Biology Unique?: Considerations on the Autonomy of a Scientific Discipline, Cambridge University Press, 2004. (). Ruse, Michael Darwin and Design, Harvard University Press; 2004. () External links Merriam Webster definition Nonlinearity and Teleology Biological Information Teleology Evolution Concepts in metaphysics