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Question

What happens when diatoms die?


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Solution

Diatoms:

  1. The single-celled algae living in glass houses containing freshwater are known as diatoms.
  2. The cell wall of diatoms is made up of transparent, opaline silica.
  3. Example of diatoms: Chaetoceros, Cyclotella.
  4. When diatoms die, they drop to the ocean floor and decay.
  5. However, their shells do not decay and instead, form a material known as diatomaceous earth.

Thus, when diatoms die, diatomaceous earth is formed.


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