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8 Key ideas
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The eight key ideas

The eight key ideas

Biology is built around eight connected ideas: molecules and function; cells; biological organisation; interdependence and adaptation; photosynthesis; respiration; cycling of chemicals; and genomes, variation and evolution. Together, these ideas provide a framework for understanding biological systems.

8 Key ideas Lesson

  1. GCSE
  2. /Biology
  3. /8 Key ideas

Step-by-step lessons on AQA GCSE Biology 8 Key ideas. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons