In the evolutionary history of the human heart,it is observed that it passed through a two-chambered heart like that of fish,to a three-chambered heart like that of amphibians,and finally became a four-chambered heart. Which concept is closest to this statement?

  • A
    Hardy-Weinberg principle
  • B
    Lamarck's theory
  • C
    Biogenetic law
  • D
    Mendel's theory

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