Tamil Nadu Board of Secondary EducationHSC Science Class 12th
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Theories of Biological Evolution

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  • Lamarck’s theory
  • The main objection to Lamarckism 
  • Neo-Lamarckism
  • Darwin’s theory of Natural Selection
  1. Objections to Darwinism
  2. Neo Darwinism 
  • Mutation theory
  1. Salient features of Mutation Theory
  • Modern synthetic theory
  • Evolution by anthropogenic sources
  1. Natural Selection (Industrial melanism)
  • Adaptive Radiation 
  1. Darwin’s finches
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