Rocks are not living, so they do not have cells.
Euglena are unicellular organisms. They are microscopic, single-celled organisms that are often found in freshwater environments.
The scientific term for unicellular organisms is "unicellular organisms" or "unicellular organisms."
Unicellular
Unicellular.
unicellular
no sponges are not unicellular.
unicellular
unicellular
Unicellular
Unicellular.
unicellular
Unicellular.