Unicellular Organism

  1. Unicellular organisms are simple organisms consisting of only one cell.
  2. Each cell is a complete unit of life that is able to carry out all the living processes.
  3. The main groups of unicellular organisms are 
    1. bacteria, 
    2. archaea, 
    3. protozoa, 
    4. unicellular algae and 
    5. unicellular fungi.
  4. Two important unicellular organisms that you need to know in SPM biology are the Amoeba sp. and Paramecium sp.