IB ESS HL 3.1.1 Biodiversity Levels Question Bank
Distinguish genetic, species and ecosystem diversity and explain why each matters.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- identify the biodiversity or evolutionary process
- apply the correct diversity, selection or conservation concept
- justify the conclusion with evidence and ecological reasoning
3.1.1—Biodiversity levels question 1
Figure:Global biodiversity extinction-risk categories
Figure:Changes in species extinction risk from 1980 to 2015
the two biodiversity charts shown above are based on records for species diversity. Identify one other factor that may be measured to assess the diversity of life on Earth.
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