Which of the following phyla consists of unicellular organisms in terms of structure and function?

  • A
    Coelenterata
  • B
    Protozoa
  • C
    Platyhelminthes
  • D
    Nematoda

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The cell wall of diatoms is composed of .........

$S -$ Statement: Paramecium is a ciliate.
$R -$ Reason: Euglena is a flagellate.

The diatom frustule or shell is made of:

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