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IB ESS HL 2.1.8 Niche Question Bank

Explain a species niche as its role, resource use and interactions within an ecosystem.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • define or identify the ecological term precisely
  • connect the evidence to species, habitat or niche relationships
  • justify the conclusion using abiotic and biotic factors

2.1.8—Niche question 1

[Maximum number: 1]
Habitat preference of Danube fish species

Figure:Habitat preference of Danube fish species

Figure: Habitat preference of Danube fish species

identify the preferred habitat of bream.

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