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What did Jean-Baptiste Lamarck contribute to biology?
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Who is Jean-Baptiste Lamarck?
Lamarck made his most important contributions to science as a botanical and zoological systematist, as a founder of invertebrate paleontology, and as an evolutionary theorist. In his own day, his theory of evolution was generally rejected as implausible, unsubstantiated, or heretical.
Lamarck's contribution to evolutionary theory consisted of the first truly cohesive theory of biological evolution, 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 other ...
Nov 21, 2023 · What was Jean-Baptiste Lamarck contribution to biology? Lamarck's contribution to biology included developing a classification system for invertebrates and for coining the term...
- Lamarck is best known for a theory of evolution known as Lamarckism or Lamarckian evolution. Lamarckian evolution is based on Lamarck's idea that u...
- Changes in the traits of an an organism can occur over time through use and disuse. These traits can be transferred to offspring.
- Lamarck's contribution to biology included developing a classification system for invertebrates and for coining the term invertebrate. He also prop...
Lamarck started his scientific career as a botanist, but in 1793 he became one of the founding professors of the Musee National d’Histoire Naturelle as an expert on invertebrates. His work on classifying worms, spiders, molluscs, and other boneless creatures was far ahead of his time.
But Lamarck took on the enormous challenge of learning -- and creating -- a new field of biology. The sheer number and diversity of invertebrates proved to be both a challenge and a rich source of knowledge.
Lamarck embraced invertebrate zoology for much of the remainder of his career and ultimately wrote an important set of volumes on invertebrates between 1815 and 1822, which also contain his final views on evolution.
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