Question Detail
Question
What is a defining characteristic shared by *all* organisms classified under Protista?
Correct Answer
Option C is the correct answer.
Detailed Explanation
The document states, 'They are all eukaryotes'. It also mentions they could be multicellular & unicellular, include both heterotrophs & autotrophs, and some are microscopic while others are very large.
Hint
Consider the fundamental cell type mentioned for Protista.