1) Obsolete biological theory
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https://www.crosswordclues.com/clue/orthogenesis
Orthogenesis, orthogenetic evolution, progressive evolution or autogenesis, is the hypothesis that life has an innate tendency to evolve in a unilinear fashion due to some internal or external `driving force`. The hypothesis is based on essentialism and cosmic teleology and proposes an intrinsic drive which slowly transforms species. George Gayl.....
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http://en.wikipedia.org/wiki/Orthogenesis
directional evolution of organisms
Found on
http://phrontistery.info/o.html
theory that successive members of an evolutionary series become increasingly modified in a single undeviating direction. That evolution frequently ...
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http://www.britannica.com/eb/a-z/o/33
The doctrine that evolution is governed by intrinsic factors and occurs in predictable directions. ... Origin: ortho-+ G. Genesis, origin ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: ōr′thō-jen′ĕ-sis Definitions: 1. The doctrine that evolution is governed by intrinsic factors and occurs in predictable directions.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=63441
orthogenesis 1. a biological principle that the evolution of an animal species is in a given direction, governed by intrinsic factors, and independent of external factors. 2. The doctrine that the phylogenetic evolution of organisms takes place systematically in a definite direction and not accidentally in many directions; variation is predetermin...
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http://www.wordinfo.info/words/index/info/view_unit/1515/4
· Also calledorthoselection.evolution of a species proceeding by continuous structural changes in a single lineage without presenting a branching pattern of descent. · a theory that the evolution of a species in a continuous, nonbranching manner is due to a predetermined series of alterations intrinsic to the species and not subject to...
Found on
https://www.infoplease.com/dictionary/orthogenesis
No exact match found.
