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LAW EXTINCTION PHYLA THROUGH SIZE INCREASING [1 record]

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Record 1 2002-03-26

English

Subject field(s)
  • Evolution (Biology)
OBS

phyletic extinction: The transformation of an ancestral species into one or more daughter species, none of which resembles the ancestor.

French

Domaine(s)
  • Évolution (Biologie)
OBS

«Loi de Deperet» ou de l'Extinction des phylums par augmentation de taille. Le cas des Reptiles secondaires est classique. Pour Melle Edinger (1942) l'augmentation de taille était en rapport avec un hyperfonctionnement hypophysaire. [...] Il en serait résulté des «dysharmonies», de croissance des différents organes, d'où des dérèglements qui auraient conduit à la «dégénérescence».

Spanish

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