GCSE Biology Revision Powerpoint on Diffusion
Full revision powerpoint including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint.
Includes:
Concept of diffusion
How certain molecules cross membranes
Factors affecting diffusion
Surface Area : V ratios
How exchange surfaces are adapted for diffusion (Small Intestine, Alveoli, Gills, Leaves & Root Hair Cells)
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£2.50