What defines life? The fundamental role of the cell
In short: This video explores the essential building blocks of life, explaining how cells function as the smallest units of living things, whether they exist alone or as part of a complex organism.
The video examines the biological distinction between unicellular organisms, which consist of a single cell, and multicellular organisms, which are composed of various types and numbers of cells. Understanding this cellular foundation is key to grasping how all living things operate.
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Sources
- Summary by Intellect · source: Cells and Organisms | Middle school biology | Khan Academy
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