Explaining the origin of complex phenotypic novelty is the million-dollar question in evolutionary biology.
Complex programmed behaviors are evident throughout the animal kingdom, but in these pages the focus will primarily be on less advanced animals.
Our ability to adapt to fantastically diverse circumstances did not result from the happenstance of environmental conditions.
The quote for which Lewontin has become best known appeared in his 1997 review of a book by Carl Sagan.
Something immaterial can’t have an effect on the material realm, presumably, so how would it be selected as advantageous by Darwinian natural selection?