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IB Environmental Systems and Societies
Topic 1: Foundation
Topic 2: Ecology
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
Topic 3: Biodiversity and conservation
Topic 4: Water
Topic 5: Land
Topic 6: Atmosphere and climate change
Topic 7: Natural resources
Topic 8: Human populations and urban systems
IB/ESS/HL/Topic 2: Ecology

Course unit

Topic 2: Ecology

Choose a topic to see its learning objectives, mastery evidence, and recommended study actions.

5 Topics110 Learning objectives0% Mastery
  1. New2.1 Individuals, populations, communities, and ecosystems30 learning objectives Open topic →
  2. New2.2 Energy and biomass in ecosystems29 learning objectives Open topic →
  3. New2.3 Biogeochemical cycles25 learning objectives Open topic →
  4. New2.4 Climate and biomes13 learning objectives Open topic →
  5. New2.5 Zonation, succession and change13 learning objectives Open topic →