A new resource for the 2008 OCR specification providing supportive features and increased flexibility in teaching OCR A level Science. The trusted choice for the 2008 OCR Specification. Biology 1 clearly explains concepts and is supported by a CD-ROM in the back of the books that provides extra information and links to a free website full of e-learning activities. The book supports your teaching in the following way: * The book comes with an interactive PDF CD-ROM that provides extra information for rapid advancement for pupils requiring it, without creating a heavy and intimidating book. * The CD-ROM links to a free website full of e-learning activities, promoting independent and extension learning. * Building on the popular and successful previous series of Cambridge Advanced Sciences, this new resource provides extra features and options within a familiar design. * How Science Works information clearly boxed throughout the text * Glossary of key words is included in the summary for ease of reference