Yes they are - yet they are not the only examples.
Yes, as they are prokaryote and all prokaryotes are singled celled though they do form colonies of a sort.
metabolic activities
Single celled organisms with nuclei belong in the domain eukarya and the kingdom Protista or fungi. A paramecium is an example of a protist.
Amoeba is multi celled
A single-celled organism that is a prokaryote is a bacterium. Bacteria are unicellular and lack a true nucleus, which classifies them as prokaryotes.
Yes, prokaryotes are unicellular.
it is single celled
The archaea are singled celled prokaryotes.
An organism that is composed of one cell.
A single-celled organism without an organized nucleus is a prokaryote.
Yes, as they are prokaryote and all prokaryotes are singled celled though they do form colonies of a sort.
A microorganism is any organism too small to be seen without using a microscope. Some are single celled, some are multi-celled.
The cerebrum is part of the brain, so no, it is not a single-celled organism.
through diffusion of gases....
yES SNAiLS aR3 sINGlE cELlED!
metabolic activities
No, monerans are unicellular organisms. They are prokaryotes that do not have a true nucleus or membrane-bound organelles.