Why should all the parts and organs of many independent beings, each supposed to have been separately created for its own proper place in nature, be so commonly linked together by graduated steps?
Hainbeste izaki independeteren atal eta organoek naturan zeinek bere lekua izan dezan kreaturikotzat joz gero, zergatik egon behar dute hain maiz mailakako urratsez elkarloturik?