Which one of the following statement(s) about Blue Green Algae (BGis/are not correct

  • Sargassum belongs to BGA
  • Spirulina is the edible form of BGA
  • They have survived for about 3 billion years
  • They are gram negative photosynthetic cyanobacteria
Which one of the following statement(s) about Blue Green Algae (BGis/are not correct
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