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Related to Lamarckianism: catastrophism


 (lə-mär′kĭz′əm) also La·marck·i·an·ism (-kē-ə-nĭz′əm)
A theory of biological evolution holding that the changes occurring in an organism through use and disuse of its body parts in response to environmental change are inherited by its offspring.

[After Chevalier Jean Baptiste Pierre Antoine de Monet de Lamarck.]
References in periodicals archive ?
One should remember that even Darwin resorted to Lamarckianism in later editions of The Origin of Species.
Lysenko's revival of Lamarckianism gained Stalin's favor because it opposed Mendelian genetics.
Margulis concludes with a jolting insight: we have Lamarckianism after all--the inheritance of acquired genomes.