Students discuss the concept of a food chain in the California ecosystem. in this food chain instructional activity, students look at different cards and sort them into herbivores, carnivores, decomposers, and omnivores. Then they use...

Emerging ecologists need a full understanding of life, from the inner workings of a cell to the complex relationships among organisms. This examination is meant to assess high schoolers after an entire year of courses on the living...

Environmental science enthusiasts show what they know at the end of the year by taking this full-fledged final exam. They answer multiple-choice, graph interpretation, and essay-analysis questions, 73 of them in all. Topics range from...