Question

what is the nature of cell walls in diatoms?​

Answer 1

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The process of cell walls construction of diatoms is known as frustule. It has two thin overlapping shells fitting into each other just as a soap-box. Their walls are mad up of silica. The dead and decomposed diatoms deposit the silica present in their walls in form of diatomaceous earth.

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Answer 2

The cell walls construction of diatoms is known as Frustule which consists of two thin overlapping shells fitting into each other just as a soap-box. Their walls are made up of silica. When the diatoms die, the silica in their cell walls gets deposited in the form of diatomaceous earth