IB Biology HL A3.2.4 Clades Question Bank
Practise IB Biology HL A3.2.4 by defining complete clades and using cladogram branches, sequence evidence and shared traits to infer ancestry.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Define a clade as an ancestor and all descendants, then identify complete clades on a cladogram.
- Use branch points and sequence evidence to infer closest relationships and shared derived traits.
A3.2.4 (HL)—Clades question 1
[Maximum number: 1]
Define clade.
a group of organisms consisting of all descendants from a common ancestor
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