Animal Behavior/Speciation

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Every individual alive today, the highest as well as the lowest, is derived in an unbroken line from the first and lowest forms - August Frederick Lopold Weismann, German biologist/geneticist (1834-1914)

[edit] Speciation

  • Anagenesis
  • Cladogenesis

[edit] Allopatric Speciation

[edit] Sympatric Speciation