IB ESS SL 1.2.13 Models Questions
Practise SL questions on environmental models by comparing population projections, food-system flows, conservation tools and productivity pyramids.
- Syllabus
- First assessment 2026
- Course
- ESS SL
- Level
- SL
Exam points
- Outline how population models support planning, policy and resource management.
- Assess quantitative energy and matter models for sustainability in named food systems.
- Explain ecosystem model uses in conservation, including food webs, flows and biodiversity.
- Evaluate productivity pyramids for predictions, comparisons and simplification or data limits.
IB ESS SL 1.2.13 Models Questions question 1
Three projections for world population from the present day to 2100.
The three lines indicate the high, medium and low projections for population size.
Outline one advantage of modelling future human population sizes.
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