• An example is the KT Mass Extinction when the last dinosaur and ammonite species, among others, became extinct, perhaps as a result of an asteroid striking the Earth.

    比如白垩纪至第三纪所发生的大灭绝当时可能由于小行星撞击地球,恐龙众多同时代物种灭绝了。

    youdao

  • An example is the KT Mass Extinction when the last dinosaur and ammonite species, among others, became extinct, perhaps as a result of an asteroid striking the Earth.

    比如白垩纪至第三纪所发生的大灭绝当时可能由于小行星撞击地球,恐龙众多同时代物种灭绝了。

    youdao

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