問題詳情

42. Which of the following systems allow arthropods to propel the hemolymph into hemocoel?
(A) Closed circulatory system
(B) Open circulatory system
(C) Respiratory system
(D) Reproductive system
(E) Digestive system

參考答案

答案：B
難度：計算中-1
書單：沒有書單，新增