問題詳情
28.evidence do paleobotanists look for that indicates the movement of plantsland?
(A) waxy cuticle to decrease evaporation from leaves
(B) loss of structures that produce spores
(C) sporopollenin to inhibit evaporation from leaves
(D) remnants of chloroplasts from photosynthesizing cells
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