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Ernst Heinrich Philipp August Haeckel (German: [ɛʁnst ˈhɛkl̩]; 16 February 1834 – 9 August 1919) [1] was a German zoologist, naturalist, eugenicist, philosopher, physician, professor, marine biologist and artist.
The theory of recapitulation, also called the biogenetic law or embryological parallelism—often expressed using Ernst Haeckel's phrase "ontogeny recapitulates phylogeny"—is a historical hypothesis that the development of the embryo of an animal, from fertilization to gestation or hatching (), goes through stages resembling or representing successive adult stages in the evolution of the ...
Romanes' 1892 copy of Ernst Haeckel's allegedly fraudulent embryo drawings (This version of the figure is often attributed incorrectly to Haeckel.) [1]. Haeckel's illustrations show vertebrate embryos at different stages of development, which exhibit embryonic resemblance as support for evolution, recapitulation as evidence of the Biogenetic Law, and phenotypic divergence as evidence of von ...
University Art Gallery, University of Massachusetts Dartmouth - An Ernst Haeckel exhibition from 2005 pairing prints from Kunstformen der Natur with modern sculptures. Kurt Stüber's Biolib - An online version of Kunstformen der Natur with scanned images of the 100 plates, accompanying descriptions, table of contents and supplemental pages (in ...
Ernst Haeckel (1834–1919) became famous for his "recapitulation theory", according to which each individual mirrors the evolution of the whole species during his life. Typology and personality [ edit ]
Haeckel's drawings, reproduced by G.J. Romanes in 1892. Early embryologists, including Haeckel and von Baer, noted that embryos of different animals pass through a similar stage in which they resemble one another very closely. Karl Ernst von Baer, whose third law of embryology gave the basis for the idea of the phylotypic stage
Ernst Haeckel (1834–1919) constructed several trees of life. His first sketch, in the 1860s, shows " Pithecanthropus alalus " as the ancestor of Homo sapiens . [ 19 ] His 1866 tree of life from Generelle Morphologie der Organismen shows three kingdoms: Plantae, Protista and Animalia.
Ernst Haeckel (1834–1919) became famous for his now outdated "recapitulation theory", according to which each individual mirrored the evolution of the whole species during his life. Although outdated, his work contributed then to the examination of human life.
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