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Lamarckism
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Lamarckism, also known as Lamarckian inheritance or neo-Lamarckism, is the notion that an organism can pass on to its offspring physical characteristics that the parent organism acquired through use o
Jean-Baptiste Lamarck repeated the ancient folk wisdom of the inheritance of acquired characteristics.
Jean-Baptiste Lamarck repeated the ancient folk wisdom of the inheritance of acquired characteristics.
The long neck of the giraffe is often used as an example in popular explanations of Lamarckism. However, this was only a small part of his theory of e
The long neck of the giraffe is often used as an example in popular explanations of Lamarckism. However, this was only a small part of his theory of evolution towards "perfection"; it was a hypothetical illustration; and he used it to discuss his theory of heredity, not evolution.
Edward Drinker Cope
Edward Drinker Cope
Charles-Édouard Brown-Séquard tried to demonstrate Lamarckism by mutilating guinea pigs.
Charles-Édouard Brown-Séquard tried to demonstrate Lamarckism by mutilating guinea pigs.
On the Origin of Species
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On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life is a work of scientific literature by the English naturalist Charles Darwin that
Lamarckism
…towards complexity. Introductory textbooks contrast Lamarckism with Charles Darwin's theory of evolution by natural selection. However, Darwin's book On the Origin of Species gave credence to the idea of heritable effects of use and disuse, as Lamarck had done, and his own concept of pangenesis similarly implied soft…
Title page of the 1859 edition
Title page of the 1859 edition
Darwin pictured shortly before publication
Darwin pictured shortly before publication
On the Origin of Species by means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life, 2nd edition. By Charles Darwin
On the Origin of Species by means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life, 2nd edition. By Charles Darwin, John Murray, London, 1860. National Museum of Scotland.
American botanist Asa Gray (1810–1888)
American botanist Asa Gray (1810–1888)