The correct statement about multicellular organisms is:
A multicellular organism has many specialized cells.
In multicellular organisms, cells differentiate to perform specific functions, which allows for increased complexity and efficiency in carrying out life processes. The other statements are incorrect for the following reasons:
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Cells in multicellular organisms can reproduce by binary fission: Generally, cells in multicellular organisms divide by mitosis or meiosis, not binary fission, which is typical of prokaryotic organisms.
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The cells of a multicellular organism must perform all life functions: In multicellular organisms, different types of cells perform specialized functions, so not every cell is responsible for all life functions.
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Every cell of a multicellular organism is responsible for movement: Movement is typically a function of specialized muscle cells, and not all cells in a multicellular organism are responsible for movement.
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