問題詳情
26. Which of the following characteristics tends to limit bryophytes and seedless vascular plants to habitats that are relativelymoist?
(A) absence of cuticle
(B) presence of flagellated sperm
(C) presence of free-living, independent zygotes and early embryos
(D) presence of lignified vascular tissues
(E) presence of seeds and pollen
參考答案
答案：B
難度：困難0.333333
統計：A(2),B(3),C(3),D(0),E(1)