This bundle contains revision material from the whole of the additional Edexcel course. These resources have been amalgamated over years and contain - for both Higher and Foundation: 1. The outcomes needed for this part of the course 2. Key Knowledge check questions - the C grade core knowledge 3. Revision material for this part of the course 4. Practice Edexcel questions 5. Model answers (mark schemes) for the questions. As a non-biologist teaching this to both top and low ability students, these have been tailored to the exam specification and should be everything your students need to get them their grades. I hope you find them as useful as I have!!