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emilybecky2002
To answer this question we have to understand that, in order to survive, cells must constantly interact with their surrounding environment.

The important point is that the surface area to the volume ratio gets smaller as the cell gets larger.
Cells divide for many reasons. For example, when you skin your knee, cells divide to replace old, dead, or damaged cells. Cells also divide so living things can grow. ... Organisms grow because cells are dividing to produce more and more cells.