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A4.2 Conservation of biodiversity

Conservation of biodiversity connects biodiversity measurement, human-driven losses, ecosystem evidence, and targeted conservation strategies for protecting species, communities, and evolutionary history.

Syllabus
First assessment 2025
Topic
A4.2
Level
SL

What you’ll learn

8 learning objectives

Choose one objective for a focused lesson, or study the complete topic.

Exam analysis

An aggregate view of how the complete A4.2 Conservation of biodiversity appears across past papers.

Chance of appearing17%of analysed past papers
Latest appearanceNovember 2025
Most common paperPaper3

Most tested objectives

  1. A4.2.1—Biodiversity definition15 questions
  2. A4.2.7—Conservation approaches7 questions
  3. A4.2.4—Ecosystem loss causes5 questions

Common question formats

  • Definition or recall
  • Calculation
  • Data analysis
  • Evaluation
  • Process explanation
  • Extended response

Exam question appearances

November 2025Paper2 ["SL"] · TZ36(b)[ 3 ]A4.2.6—Causes of biodiversity crisis
November 2025Paper1A ["SL"] · TZ123[ 1 ]A4.2.7—Conservation approaches
November 2025Paper1A ["SL"] · TZ322[ 1 ]A4.2.8—EDGE of Existence programme
May 2025Paper2 ["SL"] · TZ33(a)[ 2 ]A4.2.8—EDGE of Existence programme
May 2025Paper1A ["SL"] · TZ223[ 1 ]A4.2.6—Causes of biodiversity crisis

Coverage 2010–2025 · Updated 15 Jul 2026

Study checklistA4.2 Conservation of biodiversity