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Audience is Grades 9 - 12
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View Resource Foraging and Flocking Behavior

In this laboratory exercise, the following issues are examined: 1) why neither predators nor prey go extinct when there is a long period of nonrenewal of the prey population 2) the effects of...

View Resource Tree Measurement and Carbon Cycling: A Laboratory Exercise

This article discusses the importance of teaching current environmental issues through laboratory exercises. It describes the methods that would be used in a lab exercise involving tree measurement...

View Resource Ecological Impacts of High Deer Densities

This Figure Set explores the complexity of forest ecosystems with particular emphasis on the effects of expanding white-tailed deer (Odocoileus virginianus) populations on trees, birds, and people....

View Resource Effects of Plant Biodiversity on Ecosystem Productivity within a Savannah Grassland Community

This Data Set focuses on the question: How does plant biodiversity in a grassland savannah community affect ecosystem productivity? To investigate this question, students use create graphs using...

View Resource Drought in East Africa

These Landsat images show Kenya’s Masai Mara Reserve on December 4, 1994, a year with normal rainfall, and November 27, 2009, a year when the rains failed and a severe drought overtook the land. The...

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