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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
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Jean Baptiste Lamarck August 1st 1744- December 18th 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 • 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 France • In 1779 Lamarck published his first of many books Flore François 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 King’s Garden in 1788 and became Chair of botany and keeper of the herbarium
Invertebrate Zoology • His biggest contributions were in the fields of invertebrate zoology and evolution • Published Natural History of Animals without backbones from 1815-1822
Work with Evolution • Accepted 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 Ideas • In 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
Lamarckism • In his volumes he said environment was controlled by three biological laws • Organ development • Law of use and disuse • Inheritance of acquired characteristics
Lamarckism’s forces • In Lamarckism there are two main forces driving evolution • The complexifiying Force • And the Adaptive force
Lamarck’s Legacy • While his theory is generally thought of as False Lamarck made the first theory of evolution • Darwin took many of Lamarck’s ideas into account when coming up with natural selection
Lamarck’s Legacy cont. • Major works • Plants of France • The Kings Garden • Natural History of Animals without backbones • Major Theories • Lamarckism • Use/Disuse • Inheritance of acquired traits
References • http://www.ucmp.berkeley.edu/history/lamarck.html • http://en.wikipedia.org/wiki/Jean-Baptiste_Lamarck • http://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/