Compléter Living thingsVersion en ligne rellena los espacios vacios par patricia gonzález 1 number unicellular pluricellular cells beings two alive An important characteristic of living is that they all are made up of . A cell is the smallest parts that is . So , cells are the unit of life . There are types of living beings according to the of cells they have : - The beings have only one single cell . - The beings have more than one cell .