問題詳情

8. The indusium of Polypodiopsida is a:
(A) cluster of sporangia.
(B) leaf outgrowth covering a sorus.
(C)leaf outgrowth covering a prothallus.
(D) megaphyll.
(E) "fiddlehead."

參考答案

答案：99

統計：A:0,B:0,C:0,D:0,E:0

難度：計算中