…The similarity of gametes is one of the reasons why land plants are thought to have evolved from green algae. The gametes of red algae and some other algae and many fungi lack flagella, so they are called aplanogametes. In land plants, some algae, and animals, the large female gametes are called eggs and the small male gametes are called sperm because they do not have flagella. … *Some of the terminology explanations that mention "aplanogamete" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…陸上植物が,藻類のうち緑藻から進化したと考えられているのは,このような配偶子の類似が根拠の一つになっている。紅藻と他の藻類の一部および多くの菌類の配偶子は雌雄とも鞭毛を欠くので,不動配偶子aplanogameteと呼ばれる。また陸上植物,藻類の一部および動物では,大型の雌性配偶子は鞭毛をもたないので卵,小型の雄性配偶子は精子と呼ばれる。… ※「aplanogamete」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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