👉 Nanarchaea, also known as the unicellular algae, are a group of single-celled organisms characterized by their ability to grow and divide rapidly without the help of other cells or a cell wall. These microorganisms can be found in various environments such as seawater, freshwater, and even on surfaces like rocks. The focus of this term is on the unique properties and functions that these unicellular algae possess, which include photosynthesis, which is their primary source of energy, and the ability