Chevalier de Lamarck

(redirected from Jean-Baptiste Lamarck)
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Related to Jean-Baptiste Lamarck: Georges Cuvier, Charles Lyell
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Synonyms for Chevalier de Lamarck

French naturalist who proposed that evolution resulted from the inheritance of acquired characteristics (1744-1829)

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The chapter offers Jean-Baptiste Lamarck, Richard Saumarez, and G.
Jean-Baptiste Lamarck (1744-1829), from whom Lamarckism draws its name, suggested that there are two trends in nature: an upward, unidirectional trend of complexification (orthogenesis), and the inheritance of acquired characteristics ("use and disuse" for Darwin) that would explain an organism's adaptation to environmental conditions.
Adherents like Etienne Geoffroy Saint-Hilaire, a professor at the prestigious Museum d'Histoire Naturelle, upheld Jean-Baptiste Lamarck's materialist account of life's origins in the spontaneous fusion of matter with electricity, light, and heat.
Lamarckism, the discredited "inheritance of acquired characteristics," was a primitive version of epigenetics proposed by Jean-Baptiste Lamarck (1744-1829), to build on Charles Darwin's theory of evolution and explain adaptation to the environment.
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