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 (hĕk′əl), Ernst Heinrich 1834-1919.
German philosopher and naturalist who supported Darwin's theory, mapped a genealogical tree relating all animal life, and developed the maxim "Ontogeny recapitulates phylogeny."


(German ˈhɛkəl)
(Biography) Ernst Heinrich (ɛrnst ˈhainrɪç). 1834–1919, German biologist and philosopher. He formulated the recapitulation theory of evolution and was an exponent of the philosophy of materialistic monism
Haeckelian adj


(ˈhɛk əl)

Ernst Heinrich, 1834–1919, German biologist and philosopher of evolution.
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Noun1.Haeckel - German biologist and philosopherHaeckel - German biologist and philosopher; advocated Darwinism and formulated the theory of recapitulation; was an exponent of materialistic monism (1834-1919)
References in classic literature ?
A fourth affirms, with Haeckel, the condensation of
Salt Lake City bishop Ray Haeckel has researched Latter-day Saints scripture to prove to BYU fans that it is possible to be a red-wearing University of Utah fan and a member in good standing of the Mormon Church.
Mengden wrote again stating that Haeckel disbelieved in the supernatural--and what did Darwin think?
Regarding these later developments one might again wish to refer to further influences, such as Karl Wilhelm von Nageli and Ernst Haeckel.
Haeckel, who coined the term ecology, was one of those to contribute to the diary of the voyage, which found 4,714 new species of marine animals, many on the sea bed, which had been thought too dark to support life.
Haeckel, Adaptive Enterprise: Creating and Leading Sense and Respond Organizations.
In 1866 the German zoologist and social Darwinist Ernst Haeckel published his book Generelle Morphologie in which the word 'ecology' was first coined.
For Haeckel, for example, Luther remained a hero and Christianity represented an advance beyond Judaism.
Beginning with Ernst Haeckel, attempts to develop a truly natural or "treelike" classification system continued for a century, but no coherent, testable methodology appeared until the German entomologist, Willi Hennig, developed Cladistics in 1950.
ancestor) made by people such as Darwin, Haeckel, Lankester, and
Some 5000 species of radiolarians are now known to inhabit the world's oceans and nineteenth-century German zoologist Ernst Haeckel made them his life's work, producing a classification system and a wealth of anatomical illustrations.
While there is significant debate regarding the extent to which Darwin considered the principles of natural selection applicable to human endeavor, terms such as "survival of the fittest" and the "struggle for existence" were associated in public discourse with the social theories of Jean-Baptiste Lamarck, Herbert Spencer, and Ernst Haeckel, which ranked human races in a sort of evolutionary hierarchy.