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Turn your hard work into the GCSE results with the Cheeky Shortcut Guide to the most common topics within the Biology GCSE subject. This workbook features key exam topics for biology with precise and clear points to help you achieve top marks. Covers:EnzymesCellsRespirationPhotosynthesisHeart and CirculationNutritionNerves and HormonesDefence Against DiseaseHomeostasisDrugsGenes and GeneticsGenetic CrossesFertilisationEvolutionEnvironmentPlant GrowthEnvironmental Problems