autapomorphy
autapomorphy The possession of an apomorphic character state that is unique to a particular species or lineage in the group under consideration.
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Effect Hypothesis , effect hypothesis A model proposed in 1980 by the palaeontologist Elisabeth Vrba to account for evolutionary trends. She proposed that a species, occ… Indifferent Species , indifferent species A species with no real affinity for any particular community, but which is not rare (as an accidental species would be). It is fi… preferential species , preferential species In phytosociology, a species that is present with varying abundance in several communities, but is especially abundant and vigor… Species Group , Skip to main content
species group Phylogenetic Species Concept , phylogenetic species concept (PSC) The concept of a species as an irreducible group whose members are descended from a common ancestor and who all po… Cladistics , cladistics (klədĬs´tĬks) or phylogenetic systematics (fī´lōjənĕt´Ĭk), an approach to the classification of living things in which organisms are defin…
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autapomorphy