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Question 5 (1 point) Diatoms are important phytoplankton with glass-like cell walls that account for as much as 20% of Earth
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Diatoms are important phytoplankton with a glass-like cell wall i.e, silica and About 20 percent of that oxygen come from photosynthesis by marine diatoms They are the only organism on the earth with cell walls composed of transparent silica. Diatom cell walls are ornamented by intricate and striking patterns of silica which help in polishing etc.

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