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Devolution (biology)

Devolution, de-evolution, or backward evolution (not to be confused with dysgenics) is the notion that species can revert to supposedly more primitive forms over time. The concept relates to the idea that evolution is purposeful (teleology) and thus progressive (orthogenesis), for example that feet might be better than hooves, or lungs than gills.…

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Degeneration theory

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Devolution (biology)

Nodes142
Edges141
Triples12
Avg. degree1.99
Density0.014085
Components1

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evolution devolution evolutionary concept idea theory species selection according degeneration also time orthogenesis changes natural biologists humans environmental believed blumenbach

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Ray Lankesterinstance ofzoologists0.80text
Anton Dohrninstance ofzoologists0.80text
palaeontologists Alpheus Hyattinstance ofzoologists0.80text
Carl Hinstance ofzoologists0.80text
Lamarckism perceived species diversity as a result of a purposeful internal drive or tendency to form improved adaptations to the environmentinstance ofEarly scientific theories of transmutation of species0.80text
taking drugs or alcohol would produce social degeneration in the offspring of those individualsinstance ofclaimed that environmental factors0.80text
and would revert those offspring to a primitive stateinstance ofclaimed that environmental factors0.80text
lampreys are degenerate fish as there is no evidence their jawless state is an ancestral feature but is the product of environmental adaptation due to parasitisminstance ofDohrn claimed cyclostomes0.80text
Georges-Louis Leclercinstance ofDegeneration theoryJohann Friedrich Blumenbach and other monogenists0.80text
Comte de Buffon were believers in theinstance ofDegeneration theoryJohann Friedrich Blumenbach and other monogenists0.80text
the suninstance ofBlumenbach claimed that Adam and Eve were white and that other races came about by degeneration from environmental factors0.80text
poor dietinstance ofBlumenbach claimed that Adam and Eve were white and that other races came about by degeneration from environmental factors0.80text

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