What are the 3 principles of cell theory?
Understand the Problem
The question is asking for the foundational concepts that define cell theory in biology. This involves identifying and explaining the three essential principles that constitute cell theory.
Answer
All living organisms are composed of one or more cells; the cell is the basic unit of structure and organization in organisms; and cells arise from pre-existing cells.
The final answer is: All living organisms are composed of one or more cells; the cell is the basic unit of structure and organization in organisms; and cells arise from pre-existing cells.
Answer for screen readers
The final answer is: All living organisms are composed of one or more cells; the cell is the basic unit of structure and organization in organisms; and cells arise from pre-existing cells.
More Information
Cell theory is a fundamental principle for understanding the biology of all living organisms.
Tips
A common mistake is to forget that the theory also includes the principle that cells only arise from pre-existing cells.
Sources
- Cell Theory - National Center for Biotechnology Information - ncbi.nlm.nih.gov
- Cell Theory - Encyclopedia Britannica - britannica.com
