Curated OER
Ecology: Effects of Land Use on Natural Streams
Eighth graders examine how humans affect various ecosystems. In this ecology lesson, 8th graders discuss different ways that contaminants enter the stream. They explain the consequences of eutrophication in lakes.
Curated OER
Ecology: Adaptations
Eighth graders identify different types of adaptation in organisms. In this biology lesson, 8th graders explain how adaptation help organisms survive. They complete a worksheet at the end of the lesson.