問題詳情
44. 已知在某地區的脊椎動物只有哺乳類、鳥類和爬蟲類，若小平依其調節體溫變化的不同，分成內溫動物及外溫動物兩群。有關此地區中脊椎動物的生殖方式，下列敘述何者最合理？
(A)內溫動物、外溫動物皆必為胎生
(B)內溫動物必為胎生，外溫動物必為卵生
(C)內溫動物、外溫動物皆必為體內受精
(D)內溫動物必為體內受精，外溫動物必為體外受精
(A)內溫動物、外溫動物皆必為胎生
(B)內溫動物必為胎生，外溫動物必為卵生
(C)內溫動物、外溫動物皆必為體內受精
(D)內溫動物必為體內受精，外溫動物必為體外受精
參考答案
無參考答案
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