IB ESS SL 3.1.1 Biodiversity Levels Questions
Distinguish genetic, species and ecosystem diversity and explain why each matters.
- Syllabus
- First assessment 2026
- Course
- ESS SL
- Level
- SL
Exam points
- distinguish genetic, species and habitat diversity and relate abundance to species diversity
- use species richness, endemism, habitat diversity, ecological services and threat to justify conservation importance
- explain how habitat variety provides niches, food, breeding grounds or shelter that can increase species diversity
IB ESS SL 3.1.1 Biodiversity Levels Questions 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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