This bundle contains a comprehensive overview of all topics under the “Organisms Exchange Substances with their Environment” section of the AQA A-Level Biology specification. It includes a detailled overview of the following:
3.3.1 Surface Area to Volume Ratio
3.3.2 Gas Exchange
3.3.3 Digestion and Absorption
3.3.4 Mass Transport:
3.3.4.1 Mass Transport in Animals
3.3.4.2 Mass Transport in Plants
All information students will ever need for this section is contained within the documents above.
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