Chance and necessity in evolution / Richard E. Lenski -- Convergent evolution : a periodic table of life? / George McGhee -- Life's evolutionary history : is it determinate or indeterminate? / Karl J. Niklas -- Evolution and convergence : some wider considerations / Simon Conway Morris -- Aspects of plant intelligence : convergence and evolution / Anthony Trewavas -- Convergent evolution, serendipity, and intelligence ofr the simple minded / Nigel R. Franks -- Canny corvids and political primates : a case for convergent evolution in intelligence / Nicola S. Clayton and Nathan J. Emery -- Social and cultural evolution in the ocean : convergences and contrasts with terrestrial systems / Hal Whitehead -- The illusion of purpose in evolution : a human evolutionary perspective / Robert A. Foley -- Purpose in a Darwinian world / Michael Ruse -- Plumbing the depths : a recovery of natural law and natural wisdom in the context of debates about evolutionary purpose / Celia Deane-Drummond -- Purpose in nature : on the possibility of a theology of evolution / John F. Haught