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A2.1 Origins of cells (HL) Lessons - IB Biology

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A2.1 Origins of cells (HL)

IB Biology Topic A2.1: Origins of Cells Lessons

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Lessons for A2.1 Origins of cells (HL) - IB

This lesson delivers structured, step-by-step lessons that guide students through every part of the IB Biology syllabus for A2.1 Origins of cells (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.

A2.1.1 Conditions on early Earth and the pre-biotic formation of carbon compounds (HL only)

A2.1.2 Cells as the smallest units of self-sustaining life (HL only)

A2.1.3 Challenge of explaining the spontaneous origin of cells

A2.1.4 Evidence for the origin of carbon compounds

A2.1.5 Spontaneous formation of vesicles by coalescence of fatty acids into spherical bilayers

A2.1.6 RNA as a presumed first genetic material

A2.1.7 Evidence for a last universal common ancestor

A2.1.8 Approaches used to estimate dates of the first living cells

A2.1.9 Evidence for the evolution of the last universal common ancestor

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