On the species conception in relation to Taxonomy and Genetics

A phylogenetic system resulting from comparative morphological studies claims to be the expression of evolution. The character of any phylogenetic classification based on morphological studies exclusively is a speculative one. The fragmental facts procured by fossil relicts from earlier geological periods are also morphological and allow only the conclusion that evolution took place, but in which way changes evolved has not been stated by immediate observation. Nobody escapes from the idea that all living beings existing yet, have originated from those in the past. It is undeniable that the vegetation which covered the earth in former periods has been changed. This historical process seen as a continuity possible by the power of reproduction of the organisms is called evolution. The idea of evolution which as a consequence of Darwinian views penetrated into taxomony is cause of the fact that species, families, ordines, phyla were considered to be more than categoric divisions; they should represent relationships or lines of descent. Taxomony got a fundamental frame: phylogeny!