Books in this very practical series are designed to be compatible with standard college textbooks in a variety of subjects. Each EZ-101 book offers an overview of a 101-level college course, presenting material succinctly in note form, and emphasizing key facts that frequently show up on tests. The content of each book resembles lecture notes taken by attentive students in classroom settings. Their function is to guide students through the complexities of lectures and textbooks. Topics covered in this book include the chemical basis of life, cells and tissues, bioenergetics, genetics, structure and function of body systems, bodily functions, ecology, evolution, and organic diversity.