Cladistica (del greco ancian κλάδος, cládos, branca) es un methodo de classification biologic in que organismos es categorisate in gruppos (clados) secundo lor ancestre commun plus recente.
Relationes hypothetic es normalmente derivate de characteristicas hereditate commun ("synapomorphias") que pote esser trovate in le plus recente ancestre commun e non existe in gruppos e ancestres plus remote. Un particularitate essential de un "clado" es que tote le descendentes remane in lor "clado" ancestral global.
Per exemplo, si intra un quadro cladistic le terminos primates, vertebratos, bilateria o animales esseva usate, iste terminos includera humanos tamben. Le radiation evolutionari resulta in le creation de nove "subclados" per medio de bifurcation.
Le technicas e le nomenclatura de cladistica ha essite applicate a altere disciplinas. (Vide nomenclatura phylogenetic.)
Cladistica es ora le methodo de classification del organismos le plus communmente usate.
(anglese)
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