College-level online course highlighting the fundamentals of ecology. Course topics include coevolution of the biosphere, geosphere, atmosphere, and hydrosphere; photosynthesis and respiration; and the carbon, nitrogen, and water cycles....

[Free Registration/Login may be required to access all resource tools.] Discover the hierarchal system found in the biosphere which helps scientists break down and delve into different aspects of ecology.

A webpage giving an overview of ecology. Learn about the biotic and abiotic factors that make up an ecosystem as well as the different levels of ecology.

[Free Registration/Login may be required to access all resource tools.] Ecosystems are organized into several different levels, and they can be studied at any one of the various levels of organization. Learn more about levels of...

Six multiple-choice questions testing the main concepts of Earth's biosphere. Students may review their answers after submitting the quiz.

A comprehensive ecology learning module where students assess the dependence of all organisms on one another and the flow of energy and matter within their ecosystems.

As part of the study of the biosphere, the students will create pyramids using owl pellets. In groups, students will dissect owl pellets to aquire information about owl consumption. Groups will then create an ecological pyramid, a number...

What is ecology? What is a biome? You will find the answers to these questions in this unit and also learn about the organization of the Biosphere, major Biomes of the earth and the adaptations of living things to limiting factors. It...

This comprehensive page discusses the Asteroid Impact vs. Volcano-Greenhouse dinosaur extinction debate. It was written by paleontologist, professor, and scientist Dr. Dewey McLean.

A field experience where students undergo an exploration in a natural environment. They are introduced to the concepts of species, population, community, ecosystem, niche, and biosphere.

Designed by the Open University and the BBC, this website from Open2.net explores ecosystems. Included is a lengthy discussion on closed ecosystems and their importance to research, as well as a virtual ecosystem, an interactive showcase...

Learning module introduces students to the human dimensions of global environmental change: human actions that initiate changes in the structure and operation of the biosphere; the consequences of these actions on terrestrial ecology;...

[Free Registration/Login may be required to access all resource tools.] Covers interactions between organisms.