IBEnvironmental Systems & Societies (ESS)DPHL2. Ecology

2. Ecology (DP IB Environmental Systems & Societies (ESS))

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2.1 Individuals, Populations, Communities & Ecosystems

  1. Introduction to Ecological Systems
  2. Classification & Taxonomic Tools
  3. Human Populations
  4. Factors Affecting Populations
  5. Population Growth
  6. Studying Populations
  7. Ecosystem Functioning & Sustainability
  8. Classification (HL)
  9. Fundamental & Realised Niches (HL)
  10. Life Cycles (HL)

2.2 Energy & Biomass in Ecosystems

  1. Energy Flow in Ecosystems
  2. Photosynthesis
  3. Respiration
  4. Trophic Levels & Food Chains
  5. Food Webs
  6. Energy Losses in Food Chains
  7. Productivity & Biomass
  8. Ecological Pyramids
  9. Human Impacts on Energy & Matter Flows
  10. Autotrophs & Heterotrophs (HL)
  11. Primary & Secondary Productivity (HL)
  12. Sustainable Yield (HL)
  13. Ecological Efficiency (HL)

2.3 Biogeochemical Cycles

  1. Biogeochemical Cycles
  2. Carbon Cycle
  3. Human Impacts on the Carbon Cycle
  4. Reducing Human Impacts on the Carbon Cycle
  5. Carbon Stores (HL)
  6. Nitrogen Cycle (HL)
  7. Human Impacts on the Nitrogen Cycle (HL)

2.4 Climate & Biomes

  1. Weather & Climate
  2. Biomes
  3. Atmospheric Circulation & Ocean Currents
  4. Climate Types (HL)
  5. El Niño Southern Oscillation (HL)
  6. Tropical Cyclones & Climate Change (HL)

2.5 Zonation, Succession & Change in Ecosystems

  1. Zonation
  2. Succession
  3. Resilience & Stability of Ecosystems
  4. Factors Influencing Succession (HL)
  5. Productivity During Succession (HL)
  6. Reproductive Strategies (HL)
  7. Climax Communities (HL)