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Étienne Geoffroy Saint-Hilaire (15 April 1772 – 19 June 1844) was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theories.
Apr 11, 2024 · Étienne Geoffroy Saint-Hilaire (born April 15, 1772, Étampes, Fr.—died June 19, 1844, Paris) was a French naturalist who established the principle of “unity of composition,” postulating a single consistent structural plan basic to all animals as a major tenet of comparative anatomy, and who founded teratology, the study of animal ...
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Aug 5, 2013 · Learn about the life and work of Geoffroy, a pioneer of experimental embryology and evolutionary theory. He developed the concept of the unity of plan and challenged Cuvier's typology of animals.
Learn about the life and work of Étienne Geoffroy St. Hilaire, a pioneer of comparative anatomy and a proponent of the unity of type of vertebrates. Discover his debates with Cuvier, his influence on Darwin, and his legacy in biology.
Vue de la sépulture. modifier - modifier le code - modifier Wikidata. Étienne Geoffroy Saint-Hilaire, né le 15 avril 1772 à Étampes et mort le 19 juin 1844 à Paris, est un naturaliste français .
Dec 1, 2021 · The year 2022 is marked by the 250th anniversary of Étienne Geoffroy Saint-Hilaire (April 15, 1772–June 19, 1844). His idea that major evolutionary changes arise via rescaling of embryogenesis now represents the foundation of the extended evolutionary synthesis (EES, see also ( Laland et al., 2015 )).
Etienne Geoffroy Saint-Hilaire. The contribution of Étienne Geoffroy Saint-Hilaire (1772-1844) to evolutionary biology is reviewed in commemoration of his 250th birthday. Geoffroy's views on saltational changes during embryogenesis of animals characterize him as a predecessor of the epigenetic concept of evolution, which is now de ….
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