IB ESS HL 3.1.4 Natural Selection Questions
Explain natural selection as differential survival and reproduction of heritable variation.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- analyse how natural selection acts on heritable variation and changes trait frequencies across generations
- link differential survival and reproduction to adaptation in different environments
- explain how geographic or reproductive isolation can lead to speciation and increased species diversity
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IB ESS HL 3.1.4 Natural Selection Questions question 1
Figure:Continents and species diversity over time
Outline the role of natural selection in increasing the diversity of species.
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