Teach ecosystems, the interactions within them, and the consequences of disruptions to their delicate balance by exploring invasive species - specifically, the arrival of "murder hornets" in the U.S. in 2020. This storyline sets students up to dig into concepts like ecosystem roles, ecosystem services, plant reproduction, pollinators and ecosystem interactions, human population growth and changes in ecosystems. The unit opens the door to examine environmental issues like invasive species, land u