阿摩線上測驗
44.Evolutionarily, the jaws of vertebrates developed from
(A) the circular mouth of lampreys;
(B) the last pharyngeal arch of jawless fishes;
(C) the third pharyngeal arch of jawless fishes;
(D) the operculum.
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統計： A(1), B(6), C(1), D(0), E(0) #3577773
統計： A(1), B(6), C(1), D(0), E(0) #3577773
