Variation to organisms must remain within its basic kind. For example, genetically, a wide variety of dogs can come to exist, but a dog can never become anything other than a dog. It remains in its kind. It does not have the genetic ability to become anything more. Hundarnir geta ekki orðið að annari tegund, þeir eru hundar þótt þeir breytist smá..þá eru þeir alltaf hundar, geta eignast afkvæmi saman etc Hundar geta einfaldlega ekki þróast út í hesta, apa eða eitthvað annað. Ég var ekki að...