Hammer and nail? To an evolutionary biologist every change looks like biological evolution.
That doesn't seem entirely fair - there is a real relationship based on universal darwinism.
This was recognised by B. F. Skinner, Roger Sperry, William Calvin - and now many others.
http://edge.org/conversation/infinite-stupidity-edge-conversation-with-mark-pagel
Random change, then a selection, says Mark Pagel. As I agree, here's the link.