最終更新日:2022/12/24

Among phanerogams (seed plants), only two orders of gymnosperms, the Cycadales and the Ginkgoales, have ciliated motile sperm cells; all others (higher gymnosperms and angiosperms) have nonmotile sperm cells or sperm nuclei.

編集履歴(0)

Sentence quizzes to help you learn to read

編集履歴(0)

ログイン / 新規登録

 

アプリをダウンロード!
DiQt

DiQt(ディクト)

無料

★★★★★★★★★★