Mosses Bryophytes cloutier 2012

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Bryophytes mosses and liverwort plants that changed the landscape.

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Mosses Bryophytes cloutier 2012

  1. 1. BRYOPHYTES non-vascular plants by Annie Cloutier copyright 2012 Liverwort, Mosses, Hornworts acloutier 2012 copyright
  2. 2. Plants moved from oceans and ponds to land• Algae cells are surrounded by water• Plants and green algae have pigments and starch as primary food reserves and cellulose in their cell walls• When plant cells divide, they develop phragmoplasts and cell plates, that no other organism is know to have• This suggest that plants and green algae came from a common ancestor acloutier 2012 copyright
  3. 3. 400 MYBP land plants first appeared on Earth To survive on land plants needed to develop special features to keep them from drying out.• A fatty cuticle that • Plant zygotes developed retards water loss into embryo (immature• The gametangia plantlets) within the (gamete producing parental tissue that structures) originally surrounds and• The sporangia (spore protects the egg producing structures)• Became multi-cellular• Created a sterile cell jacket acloutier 2012 copyright
  4. 4. Moss life cycle acloutier 2012 copyright
  5. 5. Bryophytes of all phyla often have mycorrhizal fungi associated with their rhizoids (have no xylem or phloem but absorb water) acloutier 2012 copyright
  6. 6. Luminous mosses are found near cave entrances and other dark places Each cell’s upper surface is curved and functions as a tiny magnifying glass, concentrating dim light on the chloroplast at the base of moss. acloutier 2012 copyright
  7. 7. Bryophytes do not appear to be closely related to any other living plants• Scientist theorize that they evolved separately from the ancestral green algae acloutier 2012 copyright
  8. 8. Mosses can be found all over the Earth acloutier 2012 copyright
  9. 9. Peat Mosses are Unique !• Antibiotic and absorbent • Fix and store carbon properties dioxide from the atmosphere• Have a plant history of • Peat bogs inhibit growth aiding in plant of decomposer, by succession of different establishing pH acid stages of communities, • This is why biomass transforming bogs into (dead leaves etc) dry land over time accumulate in bogs. acloutier 2012 copyright
  10. 10. Does not smell and… • was used during the • Native Americans war as bandages to discovered it was absorb and stop good to use in bleeding, & has early diapers ! antibacterial properties to stop infections No diaper rash on mehttp://www.ehow.co.uk/facts_7890246_peat-moss-usage.html acloutier 2012 copyright
  11. 11. Sphagnum moss ~ peat moss• Female gametophyte• Contains egg• Venter• Neck canal paraphysis• These are all part of the archigonium ( A ) acloutier 2012 copyright
  12. 12. Tip of male gametophyte• Paraphysis• Anteridium ( A )• Sperm acloutier 2012 copyright
  13. 13. Life Cycle of Moss acloutier 2012 copyright
  14. 14. Where can you see them on Cape Cod ?• Atlantic White Cedar Swamp Reserve at Marconi Point, Wellfleet, MA http://www.nps.gov/caco/planyourvisit/marconi-beach.htm acloutier 2012 copyright
  15. 15. White Cedar Swamps are rare and beautiful to visit acloutier 2012 copyright
  16. 16. Hornwort is a Bryophytes acloutier 2012 copyright
  17. 17. Liverwort is a bryophyte• http://users.rcn.com/jkimball.ma.ultranet/Biolog acloutier 2012 copyright
  18. 18. Little and low to the ground, but they changed the Earth’s landscape and chemically helped make soil from solid rocks. acloutier 2012 copyright
  19. 19. In 1904 Ernst Haeckel created this beautiful art of bryophytesdiversity and life cycle in his series called Kunstforen der Natur acloutier 2012 copyright
  20. 20. The end is just a beginning for another species in the plant kingdom acloutier 2012 copyright

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