問題詳情

41. 下列敘述何項最符合節肢動物的 circulatory system 之狀態？
(A) a closed circulatory system
(B) a tube-within-tube circulatory system
(C) a branching circulatory system
(D) an open circulatory system

參考答案

答案：D
難度：簡單0.887931
統計：A(1),B(7),C(5),D(103),E(0)