Combined Science GCSE
Surface Area to Volume Ratio
What Surface Area to Volume Ratio means in Combined Science GCSE, as defined for Pearson Edexcel.
Definition of Surface Area to Volume Ratio
The surface area of an organism divided by its volume, which determines the efficiency of diffusion across its surface.
Topics that use Surface Area to Volume Ratio
- Exchange and transport in animals (Pearson Edexcel GCSE)
Related terms
Using Surface Area to Volume Ratio in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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