In multicellular organisms, there are millions of cells specialized to carry out specific functions, while in unicellular organisms, a single cell performs all basic functions.
What is the main difference between the cells of unicellular and multicellular organisms?
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The main difference between the cells of unicellular and multicellular organisms is that in unicellular organisms, a single cell performs all the basic functions necessary for life, such as movement, intake of food, gaseous exchange, and excretion. In contrast, multicellular organisms have millions of cells, with most cells specialized to carry out specific functions. This specialization allows different groups of cells to perform particular tasks more efficiently.