- State that living organisms are composed of cells and that cells are the smallest units of life.
- State that new cells arise from pre-existing cells by cell division.
- Identify cell division as evidence that new cells arise from pre-existing cells in the cell theory.
- Interpret Pasteur’s swan-neck flask controls and growth outcome as evidence against spontaneous generation and for pre-existing cells.
IB Biology SL A2.2.1 Cells As Basic Structural Unit Questions question 1
| a | cells can only arise from preexisting cells |
| b | living organisms are composed of cells/smallest unit of life |
| c | organisms consisting of only one cell carry out all functions of life in that cell/cells perform life functions at some point in their existence |
| d | although most organisms conform to cell theory, there are exceptions |
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