This session is part four in a series of four on the New Science TEKS for sixth through eighth grade. In Organisms and Environments, participants will continue the journey to understanding the new science and engineering practices (SEPs) and updates to the 6-8 content strands. SEP topics will include a deep dive into recurring themes, concepts, and statistics. Science content topics will include interdependence, cell theory, symbiotic relationships, the flow of energy, hierarchical organization, natural and artificial selection, taxonomy, ecological succession, the cell, and gene function.