22 2 Bryophytes

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22 2 Bryophytes

  1. 1. 22-2 Bryophytes<br />
  2. 2. Bryophytes<br />Bryophytes are nonvascular plant; examples are mosses and their relatives.<br />
  3. 3. Groups of bryophytes<br />Bryophytes included mosses, liverworts, and hornworts.<br /> Mosses Liverworts Hornworts<br />
  4. 4. Mosses<br />The most common bryophytes are mosses, which are members of the phylum Bryophyta. <br />Mosses grow most abundantly in areas with water-in swamps and bogs, near streams, and in rain forests. <br />
  5. 5. Rhizoids<br />Rhizoid are in fungi, a root like hypha that penetrates the surface of an object; in mosses, a long, thin cell that anchors the moss to the ground and absorbs water and minerals from the surrounding soil.<br />
  6. 6. Liverworts<br />These plants belong to the phylum hepaticophyta and get their name from the fact that some species resemble the shape of a liver. <br />
  7. 7. Gemmae<br />Some liverworts can also reproduce asexually by means of gemmae.<br />Gemmae are small multicellular reproductive structures. <br />
  8. 8. Hornworts<br />Hornworts are members of the phylum anthocerophyta.<br />Like liverworts, hornworts are generally found only in soil that is damp nearly year-round.<br />
  9. 9. Protonema<br />Protonema is the mass of tangled green filaments in mosses that forms during germination.<br />
  10. 10. Antheridia<br />Antheridum is the male reproductive structure in some algae and plants.<br />
  11. 11. Archegonia<br />Archegonium is the female reproductive structure in some plants, including mosses and liverworts. <br />

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