Why is cell division important for unicelluar organisms? For multicelluar organisms?

Don’t waste points on this I found this answer on google

Multicellular organisms need cell division to grow and to replace dead or damaged cells and unicellular cell division is the only way single-celled organisms can reproduce.

Explanation:

its the cell wall and the they are unique to plant

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides