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IB ESS HL 2.1.7 Abiotic Factors Examples Questions

Explore IB ESS HL 2.1.7 through questions on temperature, light, pH, salinity, oxygen and soil conditions as abiotic influences in ecosystems.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • identify abiotic conditions including temperature, light, pH, salinity, oxygen and soil
  • compare abiotic measurements between contrasting habitats or sites
  • explain how abiotic limits affect vegetation or animal populations

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Study 2.1.7—Abiotic factors examples conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB ESS HL 2.1.7 Abiotic Factors Examples Questions question 1

[Maximum number: 3]
Habitat preference of Danube fish species

Figure:Habitat preference of Danube fish species

Figure: Habitat preference of Danube fish species

compare and contrast the abiotic factors found in the straight part of the river with the abiotic factors found in the meandering part of the river.

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