Videos for A3.2 Classification and cladistics (HL) - IB
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 A3.2 Classification and cladistics (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.
6 min
Biology A3.2.1
A3.2.1 Need for classification of organisms (HL)
12 min
Biology A3.2.2
A3.2.2 Difficulties classifying organisms into the traditional hierarchy of taxa (HL)
6 min
Biology A3.2.3
A3.2.3 Advantages of classification corresponding to evolutionary relationships (HL)
4 min
Biology A3.2.4
A3.2.4 Clades as groups of organisms with common ancestry and shared characteristics (HL)
6 min
Biology A3.2.5
A3.2.5 Gradual accumulation of sequence differences (HL)
8 min
Biology A3.2.6
A3.2.6 Base sequences of genes or amino acid sequences of proteins (HL)
5 min
Biology A3.2.7
A3.2.7 Analysing cladograms (HL)
4 min
Biology A3.2.8
A3.2.8 Using cladistics to investigate evolutionary relationships (HL)
5 min
Biology A3.2.9
A3.2.9 Classification of all organisms using evidence from rRNA base sequences (HL)