[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_61":62,"_63":64,"_65":66,"_67":68,"_69":70,"_71":72,"_73":74,"_75":74},"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",{"_57":58,"_59":60},"subject",{"_53":54,"_55":49,"_56":49},"values",{},"current",{"_48":49,"_34":50,"_51":52},"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","

In cladistics, a character or trait shared by two or more taxonomic groups but derived from a remote or much earlier common ancestral form and therefore cannot be used to define a clade. Also known as an ancestral state and generally appears at the base level of a cladogram.

","type","content",[42],{"_39":43,"_40":44},"paragraph",[45],{"_46":47,"_39":46},"text","In cladistics, a character or trait shared by two or more taxonomic groups but derived from a remote or much earlier common ancestral form and therefore cannot be used to define a clade. Also known as an ancestral state and generally appears at the base level of a cladogram.","term","plesiomorphy","In cladistics, a character or trait shared by two or more taxonomic groups but derived from a remote or much earlier common ancestral form and therefore cannot…","reference","0","id",1209,"slug","name","kind","glossary","viewPath","/glossary/plesiomorphy","requestId","cb760990-050f-4805-a134-811193a1a501","nonce","n0fCPyVJ5rKKsDs1WWJDpQ==","analyticsToken","d6ab6d3180364bdf8f98e5d5fa0b1eb7","siteUrl","https://www.seriouslyfish.com","indexable",true,"adPlaceholders",{"_76":77,"_78":79,"_80":81,"_82":83,"_84":85,"_86":87,"_88":89,"_90":91,"_92":93,"_94":95},"adSlotPreview",false,"ezoicEnabled","top_of_page","126","sidebar","127","sheet_foot","128","in_content_1","129","in_content_2","130","in_content_3","131","in_content_4","132","in_content_5","133","in_content_6","134","bottom_of_page","135"]

Glossary entry

Term

Definition