User:Gobu Gosa/sandbox

Terminology

Taxon (pl. taxa) is any group of organisms that is given a formal taxonomic name. Monophyletic taxon is one that includes a group of organisms descended from a single ancestor all organisms are related most recent common ancestor  group of organisms, Such groups sometimes called holophyletic. Paraphyletic taxon as one that includes the most recent common ancestor, but not all of its descendants. Polyphyletic taxon is composed of unrelated organisms descended from more than one ancestordoes not include the common ancestor of all members of the taxon.