• 2022-06-11
    The development of the backboned animals is one of the most fascinating parts of the story of ______.
    A: evolution
    B: evolution
    C: illustration
    D: presentation
  • B

    内容

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      Macroevolution can be divided into three types: specialized evolution, simplified evolution and complex evolution.

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      进化(evolution)

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      TheBritishpoliticalsystem(evolution)()overseveralcenturies.

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      Evolution is always an improvemen

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      Crop breeding is called "evolution under artificial control". What are the basic elements of species evolution (). A: Variation B: Stability C: Inheritance D: Selection