composite species concept
composite species concept An attempt, by Dina Kornet, to define species cladistically and to formalize the concept in the fossil record. A species, in this definition, is a segment of a lineage in which a new character state becomes fixed, from the point where it arises (by cladogenesis) to the point where a new lineage (in which another character state becomes fixed) arises by cladogenesis.
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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… 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… Biological Species Concept , biological species concept
biological species concept The view that the species comprises populations (or groups of populations) that are reproductiv… preferential species , preferential species In phytosociology, a species that is present with varying abundance in several communities, but is especially abundant and vigor… accidental species , accidental species One of five classes of fidelity used by the Braun-Blanquet school of phytosociology in the description and classification of plant… Constant Species , constant species(constancy) In phytosociology, a species common to a particular association or community, but not necessarily confined to that commun…
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composite species concept