• In the introductory chapter, The Study of Life, new text and illustrations strengthen the presentation of the characteristics of life, the organization of the biosphere, and the scientific process. A new experiment regarding the use of artificial versus natural fertilizers serves as the basis for discussion of the scientific process.
• Chapter 8, Photosynthesis, in Part II has been reorganized and mostly rewritten. The terminology and illustrations are now more student friendly. The chapter begins with an overview of what types of organisms photosynthesize, and the new Figure 8.3 serves as an icon for the chapter.
• The genetics chapters in Part V have been reorganized to include a new chapter on Genetic Counseling (Chapter 26). This chapter shows how all aspects of genetics are involved in understanding and correcting our genetic inheritance. Chapter 24 now combines DNA biology with DNA technology to make a better connection between the two. Chapter 25, Control of Gene Expression and Cancer, includes a discussion of reproductive and therapeutic cloning, control of gene expression in bacteria and humans, and an expanded section regarding cancer treatment.
• In Part VI, Microbiology (Chapter 28) not only covers the biology of viruses, bacteria, archaea, and fungi, but also discusses some of the major infectious diseases in humans.
• Chapter 29 is a much improved look at plant evolution and diversity.
• Chapter 36, Environmental Concerns, in Part VII is a new chapter that shows the relationship between consumption of resources and pollution and their effects on biodiversity.
• Many new chapter opening vignettes and boxed readings will capture students’ interest.
• Additional review and study aids have been added to the end of each chapter. In addition to more Testing Yourself questions, there is a new Understanding the Terms section that lists all boldfaced terms in the chapter and gives the page number where each term is defined. Following the list is a matching exercise that allows students to test their understanding of the terms.
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2006 McGraw-Hill Higher Education