Answer:
A cell is the smallest unit of a living organism
Explanation:
Just as an atom is described as the smallest unit if any substance, a cell is defined as the smallest, basic unit of any living organism.
This means that in order for something to be considered an organism, it has to contain, at least, a cell. Such organism with a single cell is referred to as a unicellular organism.
There are several organisms with more than one cell. Such organisms are said to be multicellular. Multicellular organisms often have their cells organized into tissues, organs, and or systems in order to function efficiently and maximally.
Cells can be of different types based on their level of complexity. The simple cells that do not have nucleus nor membrane-bound organelles are referred to as prokaryotic cells while the ones with complex structures with a nucleus and membrane-bound organelles are known as eukaryotic cells.
