yes
I believe archaea are unicellular, but I'm not completely sure.
some plants are multicelluar, most plants aren't
It is multicelluar becase it is made up of more than one cell.
Yes
Bacterium.
Unicellular
Yes.
yes
no they are not
Yes.
The leopard is a multicellular organism. It is a complex organism composed of multiple cells organized into tissues and organs.
Both