[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_74":75,"_76":77,"_78":79,"_80":81,"_82":83,"_84":85,"_86":87,"_88":87},"routes/contribute.glossary.$slug",{"_9":10,"_11":12,"_13":14,"_15":16,"_17":18,"_19":20,"_21":-5,"_22":-5,"_23":-5,"_24":-5},"page",{"_70":71,"_72":73},"subject",{"_65":66,"_67":68,"_69":61},"values",{},"current",{"_60":61,"_34":62,"_63":64},"sections",[32],"editor",{"_13":25,"_26":27,"_28":29,"_30":31},"focus","reader","work","newSpecies",{},"fields",[],"citations",[],"citationNumbers",[],{"_33":34,"_35":36,"_37":38},"key","definition","doc",{"_39":35,"_40":41},"html","

Species concept based on the evolutionary relationships among organisms, specifically using common ancestry and shared evolutionary history to define species.

Under this concept a species is essentially the smallest group of organisms that share a common ancestor and can be distinguished from other such groups via phylogenetic analyses.

Each such grouping constitutes a distinct branch on an evolutionary tree. Subspecies tend not to be recognised and it is generally less restrictive than the biological species concept.

Often abbreviated to PSC.

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Glossary entry

Term

Definition