下列有关生物进化的叙述不正确的是 A.原始大气中有氢甲烷等气体不含有氧气b.�氏始孔子鸟可以证明鸟类与爬行类之间存在一定的亲缘关系 Template




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tomski下列有关生物进化的叙述不正确的是 a.原始大气中有氢甲烷等气体不含有氧气b.�氏始孔子鸟可以证明鸟类与爬行类之间存在一定的亲缘关系 coloring