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algae classification

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algae classification

  1. 1. CLASSIFICATION OF ALGAE BY G.M SMITH PRESENTED BY ABOLI VICHARE M.SC PART - 1
  2. 2. Contents :- Introduction of algae Classification of algae Introduction of division chlorophyta Introduction of division euglenophyta Introduction of division pyrrophyta  Refrrence
  3. 3. WHAT IS ALGAE????????? Algae is an autotrophic plant which prepare food by photosynthesis.
  4. 4. CLASSIFICATION OF ALGAE
  5. 5. DIVISION CLASS CHLOROPHYTA CHLOROPHYCEAE , CHAROPHYCEAE EULENOPHYTA EULENOPHYCEAE PYRROPHYTA CRYPTOPHYCEAE, DESMOPHYCEAE, DINOPHYCEAE CHRYSOPHYTA XANTHOPHYCEAE, CHRYSOPHYACEAE, BACILLARIOPHYCEAE PHAEOPHYTA ISOGENERATAE, HETEROGENERATAE, CYCLOSPORAE CYANOPHYTA MYXOPHYCEAE RHODOPHYTA RHODOPHYCEAE
  6. 6. Division :- Chlorophyta
  7. 7. Habit :-Fresh water algae (mostly) & as well as Marine water algae Pigments :- Chlorophyll a, chlorophyll b, carotin & xanthophylls Reserve food material :- Accumulate starch as photosynthetic reserve. Range of thallus :- Unicellular & Multicelluar Reproduction :- Asexual & Sexual
  8. 8. CHLOROPHYTA Chlorophyceae Charophyceae
  9. 9. Chlorophyceae • Habit :- Fresh water & marine water algae • Pigment :- Chl.a , Chl.b , Xanthophyll , Carotin • Reserve food material :- Accumulate starch as photosynthetic reserve. • Range of thallus :- Always multicellular • Reproduction :- Asexual
  10. 10. Order’s of Class Chlorophyceae :- 1. Volvocales 2. Tetrasporales 3. Ulotrichales 4. Ulvales 5. Schizogoniales 6. Cladophorales 7. Oedogoniales 8. Zygnematales 9. Chlorococcales 10.Siphonales 11.Siphonocladiales
  11. 11. VOLVOCALES :- EG:- VOLVOX
  12. 12. TETRASPORALES:- EG :- TETRASPORA
  13. 13. ULOTRICHALES :- EG:-ULOTHRIX
  14. 14. ULVALES :- EG:- ULVA
  15. 15. Schizogoniales :-  Habit :- Fresh water as well as marine water algae Pigments :- Chl.a , Chl.b (Single stellate chloroplast)  Reserve food material :- Accumulate starch as photosynthetic reserve.  Range of thallus :- Filamentous, plate like or solid cylinders. Reproduction :- No sexual reproduction & Asexual reproduction is by means of aplanospores & akinetes. Eg. Praaiola mexicana
  16. 16. CLADOPHORALES:- EG:- CLADOPHORA
  17. 17. OEDOGONIALES :- EG:- OEDOGONIUM
  18. 18. ZYGNEMATALES :- EG:- ZYGNEMA
  19. 19. CHLOROCOCCALES :- EG:- CHLOROCOCCUM
  20. 20. SIPHONALES :- EG :-VAUCHARIA
  21. 21. SIPHONOCLADIALES :- EG:-VALONIA
  22. 22. Charophyceae :-  Habit :- Fresh water as well as marine water algae  Pigments :- Chl.a , Chl.b  Reserve food material :- Accumulates starch as photosynthetic reserve.  Range of thallus :- Regular succession of nodes & internodes , branched thallus. Reproduction :- Sexual reproduction is oogamous. Eg. Chara
  23. 23. Division :- EUGLENOPHYTA
  24. 24. Habit :- Fresh water algae Pigments:- Chlorophyll & carotinoids.  Reserve food material :- An insoluble carbohydrate relate to starch. Range of thallus :- Motile cells have more than two flagella. Reproduction :- sexual reproduction seen in only one species & asexual reproduction is cresting stages (cysts).
  25. 25. Order’s of class Euglenophyta:-  Euglenales  Colaciales (Euglenocapsales)
  26. 26. EUGLENALES :- EG:- EUGLENA
  27. 27. COLACIALES(EUGLENOCAPSALES):- EG :- COLACIUM
  28. 28. Division:- PYRROPHYTA
  29. 29. Classes of division pyrrophyta :- Class 1. Cryptophyceae Class 2. Desmokontae Class 3. Dinophyceae
  30. 30. Order’s of division pyrrophyta :-  Gymnodiniales  Peridiniales  Dinophysidales  Rhizodiniales  Dinocapsales  Dinotrichales  Dinococcales
  31. 31. Gymnodiniales Eg :- Gymnodium
  32. 32. Peridiniales Eg :- Peridinium
  33. 33. Dinophysidales Eg:- Dinophysis
  34. 34. Rhizodiniales Eg:- Dinamoebidium
  35. 35. Dinocapsales Eg:- Gloedinium
  36. 36. Dinococcales Eg:- Dinococcales
  37. 37. Reference :-  Algae by HC Bold.  Text book of botany by O.P Sharma.  Algae by Vashishta.  www.wikipedia.com.  College Botany .

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