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D4.3.6—Range shifts

Climate-driven range shifts occur when species move poleward, upslope, or into new habitats as temperature, water, and resources change over time.

Syllabus
First assessment 2025
Objective
D4.3.6
Level
HL

Exam analysis

Chance of appearing1%of analysed past papers
Latest appearanceMay 2024
Most common paperPaper3
Typical marks1

Common command terms

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Recent exam appearances

May 2024Paper3 ["HL"] · TZ116(b)[ 1 ]D4.3.6—Range shifts
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Coverage 2024–2024 · Updated 16 Jul 2026

Concept essentials

  • Warming can move suitable climate zones and food supplies northward or upslope.
  • Range shifts can change predation, competition, biodiversity, and food-web structure.
  • Species that cannot track suitable conditions may decline or disappear from parts of their range.
ConceptIB Biology HL