Most are bacteria, but lots are plants/animals having only one cell.
No. Single celled organisms are things like an amoeba or bacteria. Humans and all animals such as an octopus are multi-celled.
Amoeba is multi celled
it is single celled
protists
Yeast is a single-celled fungi.
Prokaryote cells are always single-celled.
Yes, prokaryotes are unicellular.
To reproduce.
Phytoplankton
single-cell
Reptiles are not single celled because they are not microscopic and they contain billions of cells with in them.
you times the singled celled one by two to get the multicellular organisim