© 2015 Mikkel Kristiansen. Dette værk er under en Creative Commons Navngivelse 4.0 International licens. Besøg http://creativecommons.org/licenses/by/4.0/ for at se en kopi af licensen. Eksternt materiale i form af linkede artikler, opgaver o.lign, se de respektive sider for deres ophavrettigheder.
"Tree of life SVG" by Ivica Letunic: Iletunic. Retraced by Mariana Ruiz Villarreal: LadyofHats - The image was generated using iTOL: Interactive Tree Of Life, an online phylogenetic tree viewer and Tree Of Life resource. SVG retraced image from ITOL Tree of life.jpg[2]. Licensed under Public Domain via Commons.
"PhilcUK-1274438506" by NASA, ESA, and M. Livio and the Hubble 20th Anniversary Team (STScI) - http://hubblesite.org/newscenter/archive/releases/2010/13/image/a/. Licensed under Public Domain via Commons.