Κλάδος: Διαφορά μεταξύ των αναθεωρήσεων

{{otheruses}}

[[File:Clade-grade II.svg|thumb|right|334 px|Cladogram (family tree) of a biological group. The red and blue boxes represent ''clades'' (i.e., complete branches). The green box is not a clade, but rather represents an ''[[evolutionary grade]]'', an incomplete group, because the blue clade descends from it, but is excluded.]]