The book is organized into two major sections, one dealing with the proximate mechanisms of behavior and the other with the ultimate or evolutionary causes of behavior. The first two chapters introduce the distinction between proximate and ultimate causes in biology that is the foundation for the remaining chapters. Four subsequent chapters then take a more detailed look at different aspects of proximate bases of behavior.
The text then shifts to the other major section that covers the evolution of behavior. Making the point that each behavioral trait has an evolutionary history as well as potential current adaptive significance, the author examines the history and adaptive value of various categories of behavior, including evasion of predators, reproductive tactics and social behavior. A final chapter presents an evolutionary view of human behavior....Continua