2021-10-13 09:17:43 +00:00
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# Diatoms
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2021-11-19 08:36:29 +00:00
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- Members of the [[Heterokonta]] [[phylum]] of the [[sar-supergroup|SAR Supergroup]]
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- Photosynthetic algae, with silica-rich shells
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- When diatomaceous earth is exposed, silica can be harvested from the
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remains of diatoms
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