• Nonvascular plants include mosses, liverworts, and hornworts.
  • They are the only plants with a life cycle in which the gametophyte generation is dominant.
  • Male reproductive organs, called antheridia (singular, antheridium), produce motile sperm with two flagella.
  • Female reproductive organs called archegonia produce eggs.
  • In order for fertilization to occur, sperm must swim in a drop of water.
  • If fertilization takes place, a zygote develops into a tiny sporophyte.
Select from the frequently asked questions below