IB ESS SL 2.3.5 Carbon Sequestration Question Bank
Explain how carbon is sequestered in biomass, soils, oceans and geological stores.
- Syllabus
- First assessment 2026
- Course
- ESS SL
- Level
- SL
Exam points
- identify the relevant store, flow or process
- trace matter through the biogeochemical cycle
- evaluate the ecological or climate consequence of the change
2.3.5—Carbon sequestration question 1
Figure A simplified food web in a kelp forest ecosystem
Figure Kelp forest ecosystems with and without the presence of sea otters
The arrows indicate the flow of carbon between the atmosphere and the carbon stored in kelp.
Outline how the protection of sea otters could help mitigate climate change.
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