a thoughtful web.
Good ideas and conversation. No ads, no tracking.   Login or Take a Tour!
comment by gatekeepr
gatekeepr  ·  4824 days ago  ·  link  ·    ·  parent  ·  post: Dinosaur feathers found in Alberta amber
This is a beautiful example of "preadaptation"; a trait (feathers) with a function (body heat regulation) evolving into another function (flight).