typological species concept
typological species concept The concept of a species as a group whose members share certain characteristics that distinguish them from other species. This Aristotelian concept was applied to the natural world by the early taxonomists, but by the late 19th century was being supplanted by other concepts, notably the biological species concept. These could better account for the many cases in which species appear to be virtually indistinguishable (see sibling species) or where intermediate phenotypes occur due to hybridization. However, taxonomists must use a typological approach when attempting to classify exclusively asexual organisms (see agamospecies). See also phylogenetic species concept.
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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… Biological Species Concept , biological species concept
biological species concept The view that the species comprises populations (or groups of populations) that are reproductiv… 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… 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… Faithful Species , faithful species (fidelity) In phytosociology, a species confined, or nearly so, to a particular association. The species may or may not be constant…
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typological species concept