Question

'Diatomaceous earth' is formed by organisms which are grouped under

Answer 1

Answer:

they are crysophytes which comes under the kingdom protista.

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Answer 2

Answer:

'Diatomaceous earth' is formed by the organisms which are grouped under the division Chrysophyta or Chrysophytes.

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Know more :-

• The siliceous frustules (transparent siliceous shell - silica deposited in cell wall) of diatoms do not decay easily, they pile up at the bottom of water bodies and forms heaps called as diatomaceous earth or diatomite.

• It may spread over several hundred metres from where it can be mined.

• Diatoms occur in all aquatic and moist terrestrial habitats.

• Diatoms show gliding type of movement.