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A2.3 Viruses (HL) Lessons - IB Biology

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A2.3 Viruses (HL)

IB Biology Topic A2.3: Viruses Lessons

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Lessons for A2.3 Viruses (HL) - IB

This lesson delivers structured, step-by-step lessons that guide students through every part of the IB Biology syllabus for A2.3 Viruses (HL). These lessons simplify complex ideas like molecular biology, evolutionary mechanisms, and homeostasis, while worked examples show how to approach IB-style questions.

Designed for both HL and SL learners, RevisionDojo lessons ensure students not only understand the theory but also know how to apply it in IB Paper exam situations.

With clear explanations, active learning checks, and a syllabus-first design, RevisionDojo makes revision less overwhelming and more effective.

A2.3.1 Structural features common to viruses (HL)

A2.3.2 Diversity of structure in viruses (HL)

A2.3.3 Lytic cycle of a virus (HL)

A2.3.4 Lysogenic cycle of a virus (HL)

A2.3.5 Evidence for several origins of viruses from other organisms (HL)

A2.3.6 Rapid evolution in viruses (HL)

A1.1 Water

A1.2 Nucleic acids

A2.1 Origins of cells (HL)

A2.2 Cell structure

A2.3 Viruses (HL)

A3.1 Diversity of organisms

A3.2 Classification and cladistics (HL)

A4.1 Evolution and speciation

A4.2 Conservation of biodiversity