IB ESS HL 2.1.20 Ecosystems as Open Systems Question Bank
Explain how ecosystems exchange energy and matter with their surroundings.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- identify the population or ecosystem process in the evidence
- apply the correct interaction, growth or sampling model
- justify the conclusion using limiting factors, assumptions and uncertainty
2.1.20—Ecosystems as open systems question 1
Figure:Map of Algonquin Provincial Park, Canada
Identify one ecosystem in Algonquin Provincial Park.
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