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17 天
黄饮冰论人类起源20:“从鱼到人”的演化观点,得到了我国科学 ...
目前认为是总鳍鱼类的一支演变成了原始哺乳类。而人类是沿着哺乳类这条线演变过来的。《自然》杂志(Nature)上曾报告说,科学家在中国云南发现了一块距今4亿年的有进化链意义的总鳍鱼化石。总鳍鱼的一支进化为哺乳动物和人类。伦敦自然历史博物馆的阿尔 ...
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