aristogenesis

aristogenesis

A naïve, now abandoned biological theory that evolution results from a creative, ongoing and orderly process innate in living organisms, which occurs in response to environmental pressures/external stimuli at a rate such that the final adaptations anticipate the needs of adaptation.
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The modern synthesis of the 1940s rid evolutionary biology of teleological theories such as aristogenesis and orthogenesis (Romer 1949; Mayr 1988), but more biologically plausible theories have been formulated that predict an inherently directional course of evolution as a result of both intrinsic and extrinsic factors (Alberch 1980; LaBarbera 1986; Vermeij 1987; Bonner 1988; McKinney 1990).