Question

Organisms belonging to protista, commonly known as floating pastures of ocean, are ______.

Answer 1

Diatoms:

1. Diatoms are a class of protista known as Chrysophytes, or planktons as they are more commonly known.
2. Freshwater and saltwater environments are both home to Chrysophytes.
3. Protista organisms, also known as floating pastures of the ocean, are known as "Chrysophytes" or "Planktons."

Final Answer: Organisms belonging to protista, commonly known as floating pastures of ocean, are Diatoms.