Title: Alarming Frogs: The Life and Work of Emerging Explorer Tyrone Hayes
In this Xpeditions lesson, students learn about the ways National Geographic Emerging Explorer Tyrone Hayes uses a combination of laboratory and field study to learn about changes in frogs appearances as they relate to chemical contamination of water. Students choose to investigate one of three topics on which frog studies are helping to provide information--pesticide use, cancer, or cryopreservation.
Standard(s): [S1] MAR (9-12) 11: Describe positive and negative effects of human influence on marine environments.
Title: Biomagnification in the Great Lakes Ecosystems
This Xpeditions lesson focuses on biomagnification as it relates to the ecosystems of the Great Lakes region in the mid-western United States. As they work through the lesson, students diagram a food chain and label maps to show progress on environmental issues.
Standard(s): [SS2010] HGEO (9-12) 10: Recognize how human-environmental interaction affects culture in today's society.