Question

What is the nature of cell walls in diatoms?​

Answer 1

Answer:

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• Diatoms are a major group of algae found in oceans and other water bodies.
• They are unicellular.
• Diatoms are responsible for the production of 20 percent of the Earth's oxygen supply.
• Their call wall is made up of silica and is called frustule.
• It is composed of two overlapping sections called thecae.
• The cell wall consists of cellulose impregnated with silica which show sculpturing and ornamentation.
• Diatoms are often called the pearls of the ocean (or jewels of the sea) because they are often beautifully marked and striated and on interaction with light look like jewels.

For example...

Check the attachment...

Odontella aurita: A type of Diatom. As you can see their silica cell wall makes them look like little jewels....

Answer 2

Answer:

The cell wall construction of diatomsis known as frastuale which consists of two thin overlapping shells fit into each other just as a soap box . Their walls are made up of silica . when the diatom die , the silica in their cell wall gets deposited in the form of diatomaceous earth .

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