Lecture 4 - Populations and ecosystems (continue). During this unit, Student Teachers will:analyse data collected over time and explain how disruption in one part of an ecosystem can repeat throughout an ecosystem; begin to identify the unit’s underlying core science concepts for children in elementary grades; design age-appropriate, inquiry-based activities and identify learning outcomes. | Lecture Science 1 - Associate Degree in Education Lecture 4 - Dr. Arshad Bashir