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IB ESS HL 1.2.8 Negative Feedback Loops Question Bank

Explain how negative feedback counteracts change and stabilises a system.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • identify the output that inhibits or reverses the original process
  • explain how a negative feedback loop reduces deviation
  • apply the idea to a system example such as Daisyworld

1.2.8—Negative feedback loops question 1

[Maximum number: 2]
Impact of deforestation on the water cycle

Figure:Impact of deforestation on the water cycle

Describe the negative feedback mechanism by which cloud formation may moderate global temperature.

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