Liven up your life science lessons with activities that examine patterns and life cycles in the living world! Study energy flow in living systems, population dynamics, and climatic changes; learn about human placement in the biosphere as well as human organs, organ systems, and diseases; and explore patterns of development and reproduction, heredity, and extinction. Key terms appear boldfaced in the text. "Absorb" sections introduce new concepts, then "Apply" sections allow students to exercise their knowledge of the concepts. A review at the end of each section assesses what students have learned. Answer keys are also included. 48 pages.