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1.3.1 Diffusion
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Diffusion and the Concentration Gradient

Diffusion and the Concentration Gradient

Diffusion is the net movement of particles of a gas or dissolved substance from a region of higher concentration to a region of lower concentration. The difference in concentration between the regions is called the concentration gradient.

1.3.1 Diffusion Lesson

  1. GCSE
  2. /Biology
  3. /1.3.1 Diffusion

Step-by-step lessons on AQA GCSE Biology 1.3.1 Diffusion. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons