[PDF] Mark Scheme (Results) Summer 2013 - Summer 2013 GCSE Biology (5BI3H) Paper 01 . Edexcel and BTEC Qualifications Edexcel and BTEC qualifications come from Pearson, the world’s leading learning company. We provide a wide range of qualifications including academic, vocational, to their perception of where the grade boundaries may lie. • There is no ceiling on achievement Edexcel B3 Revision Notes - A* Biology Edexcel B3 Revision Notes Notes for the Edexcel GCSE Biology module: B3. These have been made according to the specification and cover all the relevant topics for examination in May/June.