24. Which of the following characteristics is probably most responsible for the incredible diversification of insects on land?
(A) segmentation
(B) flight
(C) exoskeleton
(D) tracheal system

(E) metamorphosis

答案:登入後查看
統計: 尚無統計資料

詳解 (共 1 筆)

#6731076
題目解析 這道題目詢問的是導致昆蟲在陸地...
(共 882 字,隱藏中)
前往觀看
0
0