Answer:
The correct answer is option c: brown algae.
Step-by-step explanation:
Hello!
Let's solve this!
We will analyze each of the options to determine which one is correct:
Green algae are plant kingdom, so they are not protists.
Red algae are plant kingdom, so they are not protists.
Brown algae, are multicellular organisms belonging to the protist kingdom.
Diatoms: they are unicellular organisms, so it is not the right choice.
After the analysis, we will conclude that the correct answer is option c: brown algae.