Part II: Darwinian Thinking in Biology thumb|left|Tree diagram in Origin The first chapter of part II, "Darwinian Thinking in Biology", asserts that life originated without any skyhooks, and the orderly world we know is the result of a blind and undirected shuffle through chaos.
Part II: Darwinian Thinking in Biology th.umb|left|Tree d,iagram in Origin The first chapter of part II, "Darwinian Thinking in Biology" asserts that life originated without any skyhooks, and the orderly world we know is the result of a blind and undirected shuffle through chaos