TeachEngineering
Teach Engineering: Implementing Biomimicry and Sustainable Design
This unit provides students with an opportunity to study ecological relationships with an emphasis on the Sonoran Desert. Students appreciate the complexity and balance that supports the exchange of energy and matter within food webs....
PBS
Pbs Teachers:denali: The Wolf and the Moose: Predator and Prey Relationships
Examine the predator/prey relationship between wolves and moose in Alaska's Denali National Park and discuss how the balance of nature works between these two animals.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: William Ludlow
William Ludlow was an officer in the Corps of Engineers and a major general in the United States Army who served in the Civil War and led a scientific expedition examining the natural wonders of Yellowstone National Park.