Question

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

Answer 1

cell wall is made up of celluose

In diatoms the cell walls form two thin overlapping shells which fit together as in soap box.

diatoms are also reffered as 'chief producers' of ocean

Answer 2

Explanation:

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.