protista
amoeba Blepharisma
Yes there are. Not sure what kind of protista in specific but you can search that up.
It is in the protista kingdom.
The amoebas are in the protista kingdom.
Heart
Yes, protista do have flagella.
Locomotory organ of protista
Eubacteria, Archaebacteria, Protista, and Fungi
A Protista reproduces by splitting in half.
Protista are type of eukariyotes.So they have mitochondria.
Most protista are unicellular, but not all are. Google Chlorophyta and Rhodophyta for examples of multicelled protista.