Unicellular organisms perform all basic functions within a single cell, whereas multicellular organisms distribute these functions among millions of specialized cells.
How do unicellular organisms differ from multicellular organisms in terms of basic functions?
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Unicellular organisms, such as bacteria and amoebas, consist of a single cell that performs all essential functions, including obtaining nutrients, metabolism, reproduction, and responding to stimuli. In contrast, multicellular organisms, like plants and animals, are composed of specialized cells organized into tissues, organs, and systems. Each cell type performs specific functions, allowing for division of labor and increased complexity in tasks such as nutrient absorption, locomotion, and reproduction, enabling multicellular organisms to thrive in diverse environments.