Jean Baptiste Lamarck

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Jean Baptiste Jean Baptiste Lamarck Lamarck August 1 August 1 st st 1744- 1744- December 18 December 18 th th 1829 1829
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Jean Baptiste Lamarck. August 1 st 1744- December 18 th 1829. Early Life. Born Benzentin-le-Petit Was sent to Jesuit school in Amines Received classical education until 15 At age 15 father died and joined the military. Early life cont. While in military began to study plants - PowerPoint PPT Presentation

Transcript of Jean Baptiste Lamarck

  • Jean Baptiste LamarckAugust 1st 1744- December 18th 1829

  • Early LifeBorn Benzentin-le-Petit

    Was sent to Jesuit school in Amines

    Received classical education until 15

    At age 15 father died and joined the military

  • Early life cont.While in military began to study plants

    At age 24 left military and studied medicine in Paris for 4 years

    At medical school became interested in Meteorology, chemistry, and shell collecting

  • Plants of FranceIn 1779 Lamarck published his first of many books Flore Franois or Plants of France a 3 volume set

    Was elected into the Academy of Sciences where he became an Associate Botanist in 1783

    Wrote The Kings Garden in 1788 and became Chair of botany and keeper of the herbarium

  • Invertebrate ZoologyHis biggest contributions were in the fields of invertebrate zoology and evolution

    Published Natural History of Animals without backbones from 1815-1822

  • Work with EvolutionAccepted view that animals in nature were arranged on one continuous natural scale

    Meaning that when life started all other life forms were a result of time, and environment interaction

    Ideas initially presented in 1809 in Zoological Philosophy

  • Revolutionary IdeasIn his books he was the first person to use the word biology in the modern sense

    In geology talked about uniformitarianism which lead the way for continental drift

    His theories of evolution were a large protest against current thought

  • LamarckismIn his volumes he said environment was controlled by three biological laws

    Organ development

    Law of use and disuse

    Inheritance of acquired characteristics

  • Lamarckisms forces

    In Lamarckism there are two main forces driving evolution

    The complexifiying Force

    And the Adaptive force

  • Lamarcks LegacyWhile his theory is generally thought of as False Lamarck made the first theory of evolution

    Darwin took many of Lamarcks ideas into account when coming up with natural selection

  • Lamarcks Legacy cont.Major worksPlants of FranceThe Kings GardenNatural History of Animals without backbonesMajor TheoriesLamarckismUse/DisuseInheritance of acquired traits

  • Referenceshttp://www.ucmp.berkeley.edu/history/lamarck.html

    http://en.wikipedia.org/wiki/Jean-Baptiste_Lamarckhttp://www.mnsu.edu/emuseum/information/biography/klmno/lemarck_jean.html

    http://evolution.berkeley.edu/evolibrary/article/_0/history_09

    http://www.nndb.com/people/275/000057104/

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