Key term for OCR GCSE Biology B, used in Interdependence in Ecosystems.
The relationship between the exterior size of an object and the space inside it, which determines the effectiveness of diffusion.
Surface area to volume (SA:V) ratio appears in OCR GCSE Biology B revision content for Ecosystems and Photosynthesis, especially Interdependence in Ecosystems and Transport in Organisms.
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Ecosystems and Photosynthesis
Plant Transport • Diffusion, Osmosis and Active Transport
