Question

what's diatom?

Answer 1

Diatoms are a major group of algae, and are one of the most common types of phytoplankton. Most diatoms are unicellular, although they can exist as colonies in the shape of filaments or ribbons
Diatoms are producers within the food chain. A unique feature of diatom cells is that they are encased within a cell wall made of silica (hydrated silicon dioxide) called a frustule.

Answer 2

simply Diatoms belongs to Protista. They are unicellular. characterized by Soap box like Shell(made up of silica).

@chmvijay diatoms do not belong to algae

Answer 3

for ur kind information red the first sentence
http://en.wikipedia.org/wiki/Diatom

Answer 4

:)any way bye getting sleep

Answer 5

This may be useful: http://is.gd/tbU9iG

Answer 6

thanx