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Checked by AQA examiners, this is a revised and updated edition of Collins Student Support Materials for AQA A2 Biology. It fully supports the new 2008 AQA Biology specification for Unit 4. All the knowledge you need is summarised so you can use it as a study guide or revision guide to ensure success in your exam.This book provides a clear and easy path to learning all the essential information in the new 2008 AQA Biology A2 specification for Unit 4: Populations and Environment. It is the perfect way to support your studies and an excellent revision guide. It How Science Works guidance to help tackle this new key focus in the specificationExaminer's Notes boxes to give advice on exam technique and warn of common misconceptionsEssential Notes boxes to highlight crucial informationDefinition boxes and a comprehensive glossary to help memorise essential terminologyPractice questions to help prepare for examsAn index for quick reference
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