問題詳情
19. The most direct ancestors of land plants were probably
(A) Kelp (brown alga) that formed large beds near the shorelines
(B) Green al gae
(C) Photosynthesizing prokaryotes (cyanobacteria)
(D) Liverworts and mosses
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增