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The four levels

The four levels

Ecological organisation progresses from individual to population to community to ecosystem. Each level includes the level before it, then adds more organisms or environmental features.

4.1.5 Levels of organisation in an ecosystem Lesson

  1. GCSE
  2. /Biology
  3. /4.1.5 Levels of organisation in an ecosystem

Step-by-step lessons on OCR GCSE Biology 4.1.5 Levels of organisation in an ecosystem. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons