A3.2 Classification and Cladistics (HL only) - IB Biology New Curriculum
Автор: IB Biology New Curriculum 2025
Загружено: 2026-01-29
Просмотров: 10
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This video covers A3.2 Classification and Cladistics (HL only) for the new IB Biology curriculum (first assessment 2025). It covers the following content:
Additional HL Content:
A3.2.1—Need for classification of organisms
A3.2.2—Difficulties classifying organisms into the traditional hierarchy of taxa
A3.2.3—Advantages of classification corresponding to evolutionary relationships
A3.2.4—Clades as groups of organisms with common ancestry and shared characteristics
A3.2.5—Gradual accumulation of sequence differences as the basis for estimates of when clades diverged from a common ancestor
A3.2.6—Base sequences of genes or amino acid sequences of proteins as the basis for constructing cladograms
A3.2.7—Analysing cladograms
A3.2.8—Using cladistics to investigate whether the classification of groups corresponds to evolutionary relationships
A3.2.9—Classification of all organisms into three domains using evidence from rRNA base sequences
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