Chapter 12 offers insight as to how the process of science works. Mechanisms for selection and speciation are explained and modern evidence to support the theory of evolution is introduced. The concept of deep time is developed through the use of a scrollable geologic time scale in which students can see the major biological and geological events that mark time. This product uses the interactive capabilities of a computer. The chapter has embedded an end of chapter quiz, uses graphics, animations or user interactivity on almost all pages. This product is designed to provide bite-sized pieces of information in an effort to enhance the scientific literacy of our next generation, not to overwhelm them with sheer quantity of information. Chapter 12 section titles: Types of Speciation • Evidence of Evolution • Rates of Evolution • Evolution . . . Only a Theory? • Overview of the Theory of Natural Selection • Checking Your Understanding. This product works both on a Macintosh or PC computer.