BIOLOGY - Cells - Unicellular vs Multicellular

The video explores the differences between unicellular and multicellular organisms. Unicellular organisms, like amoeba and bacteria, consist of a single cell and rely on simple diffusion for survival. They are generally small and require a microscope to be seen. In contrast, multicellular organisms are composed of multiple cells, allowing for greater complexity, cell differentiation, and efficiency. These organisms can grow larger and have longer lifespans due to the division of labor among cells. The video also discusses how unicellular organisms manage nutrition through phagocytosis and highlights the differences between prokaryotes and eukaryotes. Finally, it emphasizes the resilience of multicellular organisms, as they can replace damaged cells without significant impact.

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