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NotesESSTopic 3.5
Unit 3 · Biodiversity and Conservation · Topic 3.5

IB ESS — Protected areas, corridors

Topic 3.5 covers the role of national parks, nature reserves, and ecological corridors in biodiversity conservation. Students evaluate the effectiveness of protected area design, including the SLOSS debate (single large or several small reserves) and edge effects.

3.5 FlashcardsExam technique guidePractice questions

What you'll learn in Topic 3.5

  • 3.5.1 Protecting nature
  • 3.5.2 Rewilding

Exam relevance

ESS is assessed through Paper 1 (case study) and Paper 2 (short answer & structured questions). Concepts from this topic may appear in either paper, often combined with data analysis or real-world examples.

Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 3.5 Protected areas, corridors

3.5.1

Protecting nature

Notes
3.5.2

Rewilding

NotesFlashcards

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Topic 3.5 Protected areas, corridors forms a core part of Unit 3: Biodiversity and Conservation in IB ESS. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.

Frequently asked questions

What does Topic 3.5 Protected areas, corridors cover in IB ESS?
Topic 3.5 covers protected areas, corridors as part of the IB ESS syllabus. Students learn key concepts, definitions, and real-world examples that are tested in Paper 1 and Paper 2 exams.
How should I revise Protected areas, corridors for IB ESS exams?
Start by reading the micro-topic notes to understand each concept, then use flashcards to memorise key terms. Practise exam-style questions to apply your knowledge under timed conditions and review the marking criteria.
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