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Diatoms slide, freshwater, w.m.

1 - 9 10+	$2.90 $2.90  $2.46	Item# MS-DIATOM
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Diatoms are yellow-green algae that have cell walls made of silicon dioxide, the main component in glass, which gives them a brittle structure. You can see small oil spots that are stored food: rather than storing extra food in vacuoles, diatoms convert it to oil.