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IB ESS HL 1.2.2 Systems Approach Questions

Practise IB ESS HL 1.2.2 by analysing how components, storages and flows interact across ecological and societal systems and their linked outcomes.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • Model ecological and societal situations holistically by linking components, interactions, storages and flows.
  • Analyze system diagrams to identify matter or energy inputs, outputs, storages and exchanges.
  • Distinguish transfers from transformations when tracing matter and energy through linked systems.
  • Evaluate how accumulated stocks and annual flows explain persistence in human systems.

Learn this topic

Study 1.2.2—Systems approach conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB ESS HL 1.2.2 Systems Approach Questions question 1

[Maximum number: 4]

Question (a)

(a)

The soil system includes storages of inorganic nutrients.

[ 4 ]

Question (i)

(i)

Identify two inputs to these storages.

[ 2 ]

Question (ii)

(ii)

Identify two outputs from these storages.

[ 2 ]
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