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Term Unicellular
Definition

Refers to an organism that carries out all its vital functions inside one single cell, as is the case of bacteria, many protozoa and amoebas, for example. It is the opposite of a multicellular organism, which is composed of several cells that carry out different specialized functions (such as fungi, plants or animals).

Some unicellular protists and bacteria are macroscopic and visible to the human eye. Examples include a type of algae, the Ventricosa valonia which, with a diameter of one to four centimeters, is one of the largest unicellular organisms in the world.

 

Additional Information
PhotoLa Valonia ventricosa es una especie de alga marina
Topic  BiodiversityEnvironmental education