Write the characteristics of Diatoms
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Diatoms have two distinct shapes: a few (centric diatoms) are radially symmetric, while most (pennate diatoms) are broadly bilaterally symmetric. A unique feature of diatom anatomy is that they are surrounded by a cell wall made of silica (hydrated silicon dioxide), called a frustule.
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Characteristics of Diatoms:
They are commonly unicellular and free-living but some members form colonies of various shapes like filaments, mucilaginous colonies, etc.
Microscopic cells are of different shapes. ...
Plant bodies are either bilateral or radial in symmetry.
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