Spirulina is a kind of lower plant, belongs to the cyanophyta, rivulariaceae. They and bacteria, intracellular no real nuclei, say again so blue bacteria. Blue green algae cell structure original, and is very simple, it is the earth appears the earliest photosynthetic organisms, on this planet was formed in 3.5 billion. It grows in the water, in microscopy the form for spiral filamentous, so its name.

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