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Intro to Bio: Exam 1 Study Guide
- Exam (elaborations) • 10 pages • 2023
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1.	Be able to list organization amongst living things - from the smallest unit (atom) up through biosphere (largest). 
 
-Atom: smallest unit of an element: protons, electrons and neutrons 
-Molecule: two or more atoms combined 
-Cell: structural and functional unit of all living organisms 
-Tissue: a group of cells with a common structure and function 
-Organ: composed of tissues functioning together for a specific task – i.e. a heart 
-Organ System: Composed of several organs working togethe...