Universal common ancestry is a keystone of the naturalistic theory of evolution, but is also accepted by some [[Intelligent design]] advocates, including [[Michael Behe]].<ref>http://www.evolutionnews.org/2007/05/_most_people_including.html</ref> | Universal common ancestry is a keystone of the naturalistic theory of evolution, but is also accepted by some [[Intelligent design]] advocates, including [[Michael Behe]].<ref>http://www.evolutionnews.org/2007/05/_most_people_including.html</ref> |