What is the difference between a Red Sea and a red tide?

  • A
    Red tide takes place in the Red Sea.
  • B
    They are associated with a cyanobacteria and a protist,respectively.
  • C
    One is caused by a virus and the other by a bacteria.
  • D
    They are associated with Rhodophyceae and diatoms,respectively.

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The group Protozoa includes which of the following modes of nutrition?

Which one of the following is not a protozoan protist?

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

Slime moulds belong to

Dinoflagellates are...

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