Question

What is the nature of cell- walls in diatoms? ​

Answer 1

$\huge\bold{HEY:)-}$

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.