These comprehensive video lessons help IB Biology students Standard Level (SL) and Higher Level (HL) understand and master the essential concepts needed for success in IB Exams. Each video focuses on A2.1 Origins of cells (HL) and is aligned with the IB Biology syllabus, ensuring focused learning on cell biology, genetics, and ecology. Students can watch and rewatch anytime, anywhere, perfect for visual learners, reinforcing complex concepts, and understanding IB methodology. By using RevisionDojo's video lessons consistently, learners build deep understanding and enter the exam with confidence.
Biology A2.1.1
A2.1.1 Conditions on early Earth and the pre-biotic formation of carbon compounds (HL only)
Biology A2.1.2
A2.1.2 Cells as the smallest units of self-sustaining life (HL only)
Biology A2.1.3
A2.1.3 Challenge of explaining the spontaneous origin of cells
Biology A2.1.4
A2.1.4 Evidence for the origin of carbon compounds
Biology A2.1.5
A2.1.5 Spontaneous formation of vesicles by coalescence of fatty acids into spherical bilayers
Biology A2.1.6
A2.1.6 RNA as a presumed first genetic material
Biology A2.1.7
A2.1.7 Evidence for a last universal common ancestor
Biology A2.1.8
A2.1.8 Approaches used to estimate dates of the first living cells
Biology A2.1.9
A2.1.9 Evidence for the evolution of the last universal common ancestor