問題詳情
67. Which of the followings is a trend in the evolution of land plants?
(A) Decrease in the size of the leaf
(B) Reduction of the gametophyte phase of the life cycle
(C) Elimination of sperm cells or sperm nuclei
(D) Increasing reliance on water to bring sperm and egg together
(E) Increasing spore size
參考答案
答案：B
難度：適中0.5
統計：A(1),B(3),C(0),D(0),E(0)