Skip to content
Sciencebitz for ESS 2026
  • Welcome
  • Topic 1 Foundations of ESS
    • Topic 1.1 Perspectives
      • Perspectives Part 1a
      • Perspectives Part 1b
      • Perspectives Part 2
    • Topic 1.2 Systems
      • Why Environmental Systems?
      • Flows of Energy and Matter in detail
      • Types of System
      • The Earth as a System
      • Equilibria and Feedback – Part 1
        • Feedback in Systems
      • Modelling Systems
      • Properties of Systems
  • Topic 2: Ecology
    • 2.1 Individuals, populations, communities, and ecosystems
      • The Species Concept
      • Populations: Abiotic and Biotic Factors
      • The Niche Concept – Core
      • Niche (HL)
      • Populations Interactions
      • Competition Overview
      • Population growth
      • Measuring Populations – Plant Communities
        • Sampling Vegetation 1
    • 2.2 Energy and biomass
      • Solar Energy – the starting point
      • Photosynthesis and respiration in Ecosystems
      • Producers and Consumers
      • Tropic Levels
      • Food chains and Food webs
      • Ecological Pyramids
      • Measuring Biomass and Organic Carbon
      • What are Biomagnification and Bioaccumulation?
      • Microplastics and Non-Biodegradable Pollutants:
      • Sustainable Yield: Core and HL
      • Entropy (HL only)
        • Review of some ideas
    • 2.3 Biogeochemical cycles
      • Biogeochemical cycles (Core)
      • Carbon Stores in the Lithosphere (HL)
    • 2.4 Climate and Biomes
      • Biomes
    • 2.5 Zonation and Succession.
      • Succession (SL).
  • Topic 5: Land
    • 5.1: Soil
    • 5.2 Framing and Agriculture. Part 1.
    • 5.2: Agriculture and marginalised people
    • 5.2 Feeding the World
    • 5.2 Maintaining fertility
    • 5.2 Soil Conservation Strategies
    • 5.2 HL Traditional Harvesting
    • 5.2 HL: Diets, Distribution, and the Sustainability Challenge
  • ESS 2024 Scope and Sequence

2.1 Individuals, populations, communities, and ecosystems

  • The Species Concept
  • Populations: Abiotic and Biotic Factors
  • The Niche Concept – Core
  • Populations Interactions
  • Competition Overview
  • Population growth

Environmental Systems and Societies

  • Welcome
  • Topic 1 Foundations of ESS
    • Topic 1.1 Perspectives
      • Perspectives Part 1a
      • Perspectives Part 1b
      • Perspectives Part 2
    • Topic 1.2 Systems
      • Why Environmental Systems?
      • Flows of Energy and Matter in detail
      • Types of System
      • The Earth as a System
      • Equilibria and Feedback – Part 1
        • Feedback in Systems
      • Modelling Systems
      • Properties of Systems
  • Topic 2: Ecology
    • 2.1 Individuals, populations, communities, and ecosystems
      • The Species Concept
      • Populations: Abiotic and Biotic Factors
      • The Niche Concept – Core
      • Niche (HL)
      • Populations Interactions
      • Competition Overview
      • Population growth
      • Measuring Populations – Plant Communities
        • Sampling Vegetation 1
    • 2.2 Energy and biomass
      • Solar Energy – the starting point
      • Photosynthesis and respiration in Ecosystems
      • Producers and Consumers
      • Tropic Levels
      • Food chains and Food webs
      • Ecological Pyramids
      • Measuring Biomass and Organic Carbon
      • What are Biomagnification and Bioaccumulation?
      • Microplastics and Non-Biodegradable Pollutants:
      • Sustainable Yield: Core and HL
      • Entropy (HL only)
        • Review of some ideas
    • 2.3 Biogeochemical cycles
      • Biogeochemical cycles (Core)
      • Carbon Stores in the Lithosphere (HL)
    • 2.4 Climate and Biomes
      • Biomes
    • 2.5 Zonation and Succession.
      • Succession (SL).
  • Topic 5: Land
    • 5.1: Soil
    • 5.2 Framing and Agriculture. Part 1.
    • 5.2: Agriculture and marginalised people
    • 5.2 Feeding the World
    • 5.2 Maintaining fertility
    • 5.2 Soil Conservation Strategies
    • 5.2 HL Traditional Harvesting
    • 5.2 HL: Diets, Distribution, and the Sustainability Challenge
  • ESS 2024 Scope and Sequence
Youtube Channel
© 2026 Sciencebitz for ESS 2026 • Built with GeneratePress