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IB ESS SL 3.2.4 Iucn Red List Questions

Interpret Red List evidence and use it to assess extinction risk and conservation priority.

Syllabus
First assessment 2026
Course
ESS SL
Level
SL

Exam points

  • identify and apply IUCN Red List criteria including population size, mature individuals, geographic range, fragmentation, habitat quality and extinction risk
  • interpret Red List tables, graphs and calculations to compare threat categories and conservation status
  • explain how human activity can alter Red List criteria and why conservation status may improve or worsen

IB ESS SL 3.2.4 Iucn Red List Questions question 1

[Maximum number: 1]
Conservation status of indigenous species groups in New Zealand

Figure:Conservation status of indigenous species groups in New Zealand

With reference to Figure: Conservation status of indigenous species groups in New Zealand, identify the group of species most 'at risk of becoming threatened'.

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