The 2005 version of the Regents High School Examination in ecology is as comprehensive as previous years' exams. It consists of 40 multiple-choice questions on topics ranging from the structure of DNA to interactions within an ecosystem....

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

Learners gain knowledge of food webs and ecological interconnections in the forest, and place different life forms in their proper place in a food chain. Students appreciate the balance of nature and how humans are affected by extinct...

Ninth graders describe the six levels of ecological organizations and give examples of each. They also differentiate between food chains and webs and identify trophic and consumer levels in food chain and food webs.

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 ecosystem by reviewing scientific vocabulary terms. In this environmental awareness lesson, students identify the differences between abiotic and biotic factors and their relationship to the Earth. Students define...