問題詳情

4. Which vascular tissue is responsible for the bidirectional transport of organic nutrients, especially sugars, in plants?
(A) Epidermis
(B) Xylem
(C) Phloem
(D) Cambium

參考答案

答案:99

統計:A:0,B:0,C:0,D:0,E:0

難度:計算中