This curriculum guide provides materials for teachers to use in developing a course in "Range Management and Ecology, Agriscience 382," one of 28 semester courses in agricultural science and technology for Texas high schools. This introductory course is designed to acquaint students with the ecology and management of native rangeland for the benefit of animals and plants. Technical skills are developed in the areas of renewable natural resources, plant kinds and values, ecosystems, water cycles, animal stocking capacities and limitations, productivity and improvement, and research related to native rangeland. Additional skills are developed for safe work practices, recordkeeping, career exploration, and leadership. The guide is organized in four sections. The first section lists essential elements common to all agricultural science and technology courses. The second section lists essential elements specific to this course. The third section lists the units and topics of instruction and suggested time allocations for each unit and topic. Listed also are the catalog numbers of corresponding curriculum materials available from the Instructional Materials Service of Texas A&M University. The final section provides topic goals and objectives targeted for the completion of the topic. (KC)