問題詳情

30. Which plant group common during the Mesozoic went extinct at the end of the Mesozoic?
(A) Cycads
(B) Cycadeoids
(C) Ginkos
(D) Conifers
(E) Ferns

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