what are the functions of a multi cell organism
The organism to be larger; Cell differentiation (having different types of cells with different functions) The organisms to be more complex; Complexity - Higher tier. Multicellular organisms need specialised organ systems, whereas all the life processes in a unicellular organism take place in that one cell. Multicellular organisms need organ systems to carry out functions such as: Communication between cells, eg the nervous system and circulatory system