Curated OER
The Influence of Human Activity on the Environment
The surge in human population in the last 2,000 years, due in large part to better health care, has brought a surge in the demand for resources and in pollution. The graphics, photographs, and real-life examples in a thought-provoking...
Curated OER
Too Many Mosquitos
Students explore biological pest control. In this science instructional activity, students discover organisms that eat mosquito wigglers in order to help reduce the number of mosquitoes in an area. Students identify predators of the...