Chlorophyta, a division of green algae,(External Link) of mostly aquatic photosynthetic eukaryotic organisms. Like the land plants (bryophytes and tracheophytes), green algae contain chlorophylls a and b, and store food as starch and these have an advantage of motility. Some conduct sexual reproduction which's oogamy or isogamy. Classes Class Bryopsidophyceae Bessey Class Chlorophyceae Wille Class Pedinophyceae Moestrup Class Prasinophyceae T. A. Chr. ex Ø. Moestrup & J. Throndsen Cla… (More on Chlorophyta)