Biology GCSE
Limits of diffusion in multicellular organisms
What Limits of diffusion in multicellular organisms means in Biology GCSE, as defined for AQA.
Definition of Limits of diffusion in multicellular organisms
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Reference: AQA
A large multicellular organism has a smaller surface area to volume ratio and a longer diffusion distance, so diffusion alone cannot meet its needs and it requires specialised exchange surfaces and a transport system.
Topics that use Limits of diffusion in multicellular organisms
- Diffusion (AQA GCSE)
Related terms
- Concentration gradient
- Concentration gradients
- Diffusion
- Diffusion and concentration gradients
- Diffusion and metabolic demand
- Diffusion and organism size
- Exchange surfaces
- Exchange surfaces in animals
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