International A LevelBiologyEdexcel5. Energy Flow, Ecosystems & the Environment

5. Energy Flow, Ecosystems & the Environment (Edexcel International A Level Biology)

Get ready for your Edexcel International A Level Biology exams with our revision resources. Find everything you need to revise this topic, so you can go into your exam confident and prepared. Teachers and examiners write all our resources, and they’re designed specifically for each exam board. We regularly update them to match the latest syllabus, so you’ll only revise the most accurate, up-to-date information. Explore the collection below to get started.

Photosynthesis

  1. 5.1 Photosynthesis: Overview
  2. 5.2 The Role of ATP in Photosynthesis
  3. 5.3 Photosynthesis: Light-Dependent Stage
  4. 5.4 Photosynthesis: Light-Independent Stage
  5. 5.5 Chloroplasts
  6. 5.6 Absorption & Action Spectra
  7. 5.7 Separation of Photosynthetic Pigments with Chromatography
  8. 5.8 Core Practical 10: Rate of Photosynthesis

Ecosystems

  1. 5.9 Ecological Productivity
  2. 5.10 Energy & Biomass Transfers
  3. 5.11 Ecology: Key Terms
  4. 5.12 Factors Affecting Populations
  5. 5.13 Niche
  6. 5.14 Core Practical 11: Quadrat & Transect Study
  7. 5.15 Ecological Succession

Environmental Biology

  1. 5.16 Evidence for Climate Change
  2. 5.17 Anthropogenic Climate Change
  3. 5.18 Carbon Cycle & Environmental Management
  4. 5.19 Models for Predicting Climate Change
  5. 5.20 How Climate Change Affects Species
  6. 5.21 The Effect of Temperature on Enzyme Reactions
  7. 5.22 Core Practical 12: Effect of Temperature on Development
  8. 5.23 Mutation, Natural Selection & Evolution
  9. 5.24 Isolation & Speciation
  10. 5.25 Contentious Issues in Environmental Science
  11. 5.26 Examples of Sustainable Conservation

Photosynthesis

  1. Multiple Choice & Structured Questions

Ecosystems

  1. Multiple Choice & Structured Questions

Environmental Biology

  1. Multiple Choice & Structured Questions
Edexcel International A Level Biology Past Papers