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Level of Organization II:
Cells
This level considers all the following units:
• Unity and Diversity: A2.1, A2.2, A2.3
• Form and Function: B2.1, B2.2, B2.3
• Interaction and Interdependence: C2.1, C2.2
• Continuity and Change: D2.1, D2.2, D2.3
A2.1 - Origin of Cells (HL)
A2.3 - Viruses
A2.2 - Cell Structure
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