四、請分別繪圖並清楚標示單子葉(以玉米為例)及雙子葉(以花生為例)植物幼苗(1-2葉齡)的各部位構造名稱。(請標示出primary root, lateral root, adventitious root, hypocotyl, cotyledon, coleoptiles, epicotyl及first foliage leaf)(25分)