Surface Area to Volume (SA:V) Ratio

Key term for OCR GCSE Biology A, used in The challenges of size.

Definition

A numerical expression showing the amount of surface area per unit of volume, used to determine the efficiency of diffusion.

Exam Context

Surface Area to Volume (SA:V) Ratio appears in OCR GCSE Biology A revision content for Scaling up, especially The challenges of size and Exchange surfaces.

Scaling up The challenges of size Exchange surfaces

Found in Revision Notes

Scaling up

Exchange surfaces

The challenges of size • Exchange surfaces

Revise note

Related Key Terms

Concentration gradient Diffusion distance Exchange surfaces Mass flow

Revise Biology A with GradeGen.AI

Create a free account to access OCR GCSE Biology A revision notes, track progress, and practise related key terms.