How many animals can live in a climate as cold as Mount Everest's? Find out with a science lesson all about biodiversity. Activities include research, presentations, group work, coloring maps, and a simulation of a food web.

Students explore the why the balance among producers, predators and prey is necessary in order for an ecosystem to be sustained over time. Through web games and activities, they discover how each component of the food chain works to...

Pairs of ecologists select an animal and investigate an ecosystem from its point of view. This simple lesson involves Internet research and putting together a presentation of collected information.