14. The characteristics or structures only found in angiosperms but NOT in gymnosperms include _____.
① double fertilization ② flower ③ vessel element ④ sieve tube ⑤ annual growth habit
(A) ①②③④⑤
(B) ①②④⑤
(C) ①②③⑤
(D) ①②③④
(E) ②③④
詳解 (共 1 筆)
未解鎖
題目僅在被子植物中發現但不在裸子植物中發...