問題詳情
20. In an animal that switches between sexual and asexual reproduction, when is sexual reproduction more likely to occur?
(A) when males and females find each other
(B) when conditions for survival are unfavorable
(C) when con nditions for su vival are favorable
(D)What conditions favor sexual over asexual remains a complete mystery.
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