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The main characteristics of chlorophyceae are:

  1. The members of the family are commonly known as green algae.
  2. The photosynthetic pigments present are chlorophyll a, chlorophyll b, Carotenes and Xanthophyll.
  3. Pyrenoids occur in the chloroplast which is a means of starch storage.
  4. Starch is a means of stored food.
  5. The member of the family shows wide range of thallus organization.
  6. Most of the members are filamentous.
  7. The cell wall is three layered; the inner layer is cellulosic, the middle layer of pectic compound, outer layer of chitin.
  8. All the cell organelles such as the chloroplast, golgi bodies, mitochondria, endoplasmic reticulum, ribosomes are present.
  9. Motile members possess two contractile vacuoles.
  10. Reproduction in the green algae occurs by asexual and sexual methods.
  11. Asexual reproduction takes place by fragmentation, aplanospores, zoospores etc.
  12. Sexual reproduction occurs by isogamy, anisogamy and oogamy.