The first introductory text to present biological concepts through the research that revealed them, Life covers a full range of topics with an integrated experimental focus. The new edition includes the latest research, new pedagogy, and new chapter-opening spreads that draw students into the chapter in an engaging way. NEW TO THIS EDITION * New Content - significant new research findings are presented, including the latest insights on how histone modifications can activate or deactivate genes by promoting either dissembly or assembly of nulceosomes; the role of in vitro evolution in designing new molecules, particularly those with pharmaceutical or industrial application; and the methods scientists use to investigate how genes, hormones, and the environment interact to shape behaviour, and how the behavioural responses of animals influence both their individual fitness and the functioning of ecological communities. * New Pedagogy - including Recaps, Chapter Summaries, Revised and new Experiment figures, Further Research, For Investigation problems, BioBits, new chapter-opening spreads, and In This Chapter preview and roadmap of each chapter. * New Look - the new edition has been redesigned and re-illustrated for greater visual clarity and impact. The book is also available in three paperback volumes: Volume 1: The Cell and Heredity (Ch 1-20) 978-0-7167-7673-4 http://www.palgrave.com/products/title.aspx?PID=278125 Volume 2: Evolution, Diversity, and Ecology (Ch 1, 21-33, 52-57) 978-0-7167-7674-1 http://www.palgrave.com/products/title.aspx?PID=278126 Volume 3: Plants and Animals (Ch 1, 34-51) 978-0-7167-7675-8 http://www.palgrave.com/products/title.aspx?PID=278127