Curated OER
Wildlife Sampling-Capture-Recapture
Seventh graders simulate the capture-recapture method of population sampling using beans. In this biology lesson, 7th graders calculate the total population of beans in the bowl. They assess whether this method is reliable or not.
Curated OER
Wildlife Sampling
Seventh graders use paper bags and crackers to simulate a wildlife sampling of salmon. They record data on spreadsheets and determine a formula to estimate salmon populations.