Question

characteristics of protista

Answer 1

(1) Nutrition is mostly heterotrophic.
(2) Body naked or covered by pellicle or hard shells.
(3) Body shape may be irregular, spherical, oval, elongated or flattended.
(4) Cytoplasm differentiated into outer ectoplasm and inner endoplasm.
(5) Solitary or colonial, free living or parasitic or symbiotic.

Answer 2

protista are eukaryotes 
their cells have nucleus
single celled
can't be classified as plants,animals or fungus