Cells and Living Organisms
Date: Summer 2013
Why is the basic unit of the living organism cells?
Thanks for the question. The basic unit of a living organism is a cell since the transport of chemicals into large cells is really slow. Cells need to be small so that chemicals can be transported into and out of cells quickly. Otherwise the cell would die.
I hope this helps. Please let us know if you have more questions.
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Update: November 2011