1. Compare and contrast the reasons cell division is important for unicellular (single-celled) and multicellular organisms.

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Explanation:

Cell division is the process by which cells give rise to themselves because new cells can only arise from preexisting cells according to the cell theory.

For both unicellular and multicellular organisms, cell division is important for reproduction. Unicellular organisms can divide by mitosis to asexually reproduce new cells or by meiosis to sexually produce new cells. Mitotic and meiotic cell divisions can also help multicellular organisms to reproduce asexually and sexually respectively.

However, in addition to reproduction, mitotic cell division helps multicellular organisms to grow as well as repair/replace damaged cells/tissues. Through mitosis, more cells are produced leading to elongation, increase in height or weight as the case may be. Mitosis also ensures that damaged or dead cells are replaced by new ones.

telophase and anaphase