The essential study and revision guide for AS Biology, revised for the 2015 AQA specification. Topics 3 and 4 Organisms exchange substances with their environment, Genetic information, variation and relationships between organisms.
Checked by AQA examiners, this is a revised and updated edition of Collins Student Support Materials for AQA. It fully supports the 2015 AQA AS and A-level Year 1 Biology specification topics 3 and 4.
Use as a study guide or revision guide to ensure success in your exam.
• Tackle new-style written exam questions with guidance on practical and mathematical skills
• Avoid common mistakes and get advice on exams with Exam Notes
• Focus on just the content you need with Essential Notes
• Memorise terminology for required practicals and mathematical and Working Scientifically aspects
• Practise exam-style questions
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