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lamarckismmore about lamarckism

lamarckism


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Lamarckism  \La"marck"ism\,  n.  [From  Lamarck,  a  distinguished 
  French  naturalist.]  (Biol.) 
  The  theory  that  structural  variations,  characteristic  of 
  species  and  genera,  are  produced  in  animals  and  plants  by  the 
  direct  influence  of  physical  environments,  and  esp.,  in  the 
  case  of  animals,  by  effort,  or  by  use  or  disuse  of  certain 
  organs. 
 
  From  WordNet  r  1.6  [wn]: 
 
  Lamarckism 
  n  :  a  theory  of  organic  evolution  claiming  that  acquired 
  characteristics  are  transmitted  to  offspring  [syn:  {Lamarckism}] 




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