The cell theory explains the fundamental nature of living organisms, emphasizing the importance of cells as the basic units of life.
The Cell Theory: The cell theory is a fundamental concept in biology stating that all living organisms are composed of cells, the basic unit of life. This theory holds that living cells originate from pre-existing cells, emphasizing the continuity of life. For example, every organism, whether unicellular or multicellular, follows this principle.
Scientific Theory vs. Law: The cell theory is a scientific theory because it is supported by substantial evidence and explains the fundamental nature of living organisms. It is not classified as a scientific law because laws describe natural phenomena under specific conditions, while theories provide explanations for broader concepts.
Evidence of Cell Theory: Observations through microscopes have consistently shown that all organisms consist of structurally similar cells, reinforcing the assertions of the cell theory. This theory unites the understanding of life's structure and functions at the cellular level, forming the basis of modern biology.
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