. . . . . . are saprophytic protists,whose body moves along decaying twigs and leaves engulfing organic material.

In which animal phylum is the organism $Opalina$ classified?

Which is not a feature of dinoflagellates?

In which form is the kingdom $Protista$ not observed?

Select the correct option for the following statements:
$(i)$ The sea appears red or golden when red dinoflagellates multiply rapidly.
$(ii)$ $Euglena$ / $Slime$ $molds$ are saprophytic protists.

Alternation of generation is exhibited by