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Jean-Baptiste Lamarck, pioneering French biologist who is best known for his idea that acquired characters are inheritable, an idea known as Lamarckism, which is refuted by modern genetics and evolutionary theory. He was also known as a botanical and zoological systematist and as a founder of invertebrate paleontology.
Evolution 101. An introduction to evolution: what is evolution and how does it work? The history of life: looking at the patterns – Change over time and shared ancestors; Mechanisms: the processes of evolution – Selection, mutation, migration, and more; Microevolution – Evolution within a population; Speciation – How new species arise
Lamarck (1744 - 1829) remains the best known figure of the pre-Darwinian era of evolutionism. Regrettably, he is usually viewed as a mere caricature of his ideas, namely as the person who got it "wrong" for insisting on the inheritance of acquired features as the central mechanism of transmutation.
Apr 12, 2021 · The Lamarckian concepts that we consider important for teaching evolutionary thought are the following: (1) the species as an arbitrary concept, directly related to the Lamarckian concept of the continuous transformation of species, (2) the ancestor–descendant relationship, and organic diversification from a common plan of organisation to a ...
- Ricardo Noguera-Solano, Juan Manuel Rodríguez-Caso, Rosaura Ruiz-Gutiérrez
- 2021
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Lamarck's contribution to evolutionary theory consisted of the first truly cohesive theory of biological evolution, [9] in which an alchemical complexifying force drove organisms up a ladder of complexity, and a second environmental force adapted them to local environments through use and disuse of characteristics, differentiating them from othe...
Jean-Baptiste Lamarck was a biological visionary, the first biologist to articulate a comprehensive theory of organic evolution that claimed that all the different forms of life on earth had been successively developed from the simplest to the most complex.
