Why Do Cells Need to Divide?

Answer

Cells need to divide because they are limited in size and due to this the outside must transport oxygen and food to the parts inside. As they get bigger, the outside is not in a position to keep up with the inside, for the reason that the inside grows a faster rate compared to the outside.
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1 Additional Answer
Cells need to divide in order to continue with their existence, this is how they reproduce. if they didn't reproduce/divide they would cease to exist.
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