問題詳情
58. 下列有關爬蟲類生殖的敘述，哪些正確？（多選）
(A)沒有胎盤的構造，母體的養分便無法傳給胚胎
(B)卵生演變成胎生的過程中，受精卵留在母體的時間逐漸縮短
(C)卵生演變成胎生的過程中，受精卵的卵黃量有減少的趨勢
(D)幼體一出母體立刻就能獨立生活者才算是胎生
(E)以前歸在卵胎生的爬蟲類現在應歸在胎生類
(A)沒有胎盤的構造，母體的養分便無法傳給胚胎
(B)卵生演變成胎生的過程中，受精卵留在母體的時間逐漸縮短
(C)卵生演變成胎生的過程中，受精卵的卵黃量有減少的趨勢
(D)幼體一出母體立刻就能獨立生活者才算是胎生
(E)以前歸在卵胎生的爬蟲類現在應歸在胎生類
參考答案
無參考答案
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