Curated OER
Chesapeake Bay Population Studies
Pupils determine how to use a quarter meter quadrant to find population density, relative density, frequency and how to calculate a diversity index while participating in a virtual field trip. They study how to establish a Correlation of...
Curated OER
Cactus Wheel
Students explore plant biology by conducting field experiments outside of class. In this desert plant lesson, students discuss how cacti thrive in such dry climates and how dense their populations are. Students utilize action cards, a...