Biology GCSE
Diffusion and organism size
What Diffusion and organism size means in Biology GCSE, as defined for AQA.
Definition of Diffusion and organism size
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Reference: AQA
Diffusion across the outer surface alone would not supply enough oxygen and nutrients to every cell, nor remove enough carbon dioxide and other waste products, because the diffusion distance to the centre is too long.
Topics that use Diffusion and organism size
- Diffusion (AQA GCSE)
Related terms
- Concentration gradient
- Concentration gradients
- Diffusion
- Diffusion and concentration gradients
- Diffusion and metabolic demand
- Exchange surfaces
- Exchange surfaces in animals
- Exchange surfaces in plants
Using Diffusion and organism size in the exam
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