Factual and conceptual information dealing with the biology of human populations is offered in this guide for secondary science teachers. Instructional approaches are reviewed and suggestions are offered for use of the problem method approach, the discussion technique, and the project option. Information is organized into an introduction and five parts. The introduction described adaption possibilities and highlights basic ecological concepts and principles. The five parts focus on: (1) evolution of human populations (addressing the topics of genetics and evolution); (2) environment of human populations (synthesizing information on energy, atmosphere, water, soils, biota, oceans, nutrition, diseases, and mineral resources); (3) dynamics of human populations (identifying demographic parameters and population patterns); (4) reproduction in human populations (containing materials on human reproduction and sexual behavior); and (5) design for survival (discussing ecosystem management and control of environmental quality, fertility regulation, and humanity's future). Lists of reference readings are included after each of the parts. (ML)