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IB
Topic 3: Conservation and biodiversity

IB Environmental systems and societies Topic 3: Conservation and Biodiversity

1.1 Perspectives

1.2 Systems

1.3 Sustainability

2.1 Individuals, populations, communities and ecosystems

2.2 Energy and biomass in ecosystems

2.3 Biogeochemical cycles

2.4 Climate and biomes

2.5 Zonation, succession and change in ecosystems

3.1 Biodiversity and evolution

3.2 Human impact on biodiversity

3.3 Conservation and regeneration

4.1 Water systems

4.2 Water access, use and security

4.3 Aquatic food production systems

4.4 Water pollution

5.1 Soil

5.2 Agriculture and food

6.1 Introduction to the atmosphere

6.2 Climate change - causes and impact

6.3 Climate change - mitigation and adaptation

6.4 Stratospheric ozone

7.1 Natural resources - uses and management

7.2 Energy sources - uses and management

7.3 Solid waste

8.1 Human populations

8.2 Urban systems and urban planning

8.3 Urban air pollution

HL.a Environmental law

HL.b Environmental economics

HL.c Environmental ethics

IB Environmental systems and societies Topic Topic 3: Conservation and Biodiversity (SL/HL) covers syllabus content. Use these Notes, Questionbank, Flashcards, and Lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.

Practice

Question Bank

Practice questions with AI feedback

166 questions

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Study Guide

Bite-sized topic summaries

48 chapters

Lessons

Step-by-step lessons and quizzes

20 lessons

Flashcards

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20 flashcard decks

Cheatsheets

Summaries, key concepts, and exam tips

Reference

Key Definitions

Essential terms and concepts explained

40 definitions

3.1A Biodiversity

3.1B Natural selection and speciation

3.1C Species diversity

3.1D Genetic Diversity and Reproductive Isolation (HL)

3.1E Biodiversity hotspots (HL)

3.1F Human activities and selective forces (HL)

3.1G Earth history and the Anthropocene (HL)

3.2A Human impacts on biodiversity

3.2B Invasive species

3.2C IUCN

3.2D Tragedy of the commons

3.2E Key biodiversity hotspots and areas (HL)

3.2F Traditional indigenous approaches to land management (HL)

3.2G Environmental justice and conservation efforts (HL)

3.2H Loss of biosphere integrity (HL)

3.3A Arguments for conservation and strategies

3.3B Regeneration and rewilding

3.3C Choice of conservation

3.3D Success in conservation and eco-tourism (HL)

3.3E Rewilding projects (HL)

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