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Standards Index: LS2.C: Ecosystem Dynamics, Functioning, and Resilience

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Ecosystems are dynamic in nature; their characteristics can vary over time. Disruptions to any physical or biological component of an ecosystem can lead to shifts in all its populations.

Image from The Birth of the Environmental Movement: DDT and Rachel Carson
Video

The Birth of the Environmental Movement: DDT and Rachel Carson

Students will learn how the U.S. government came to develop environmental protection policies and what that means today as we struggle to balance the risk between pesticides and disease.
Image from Ecology: The Yellowstone Wildfires of 1988
Video

Ecology: The Yellowstone Wildfires of 1988

Students will learn how the Yellowstone fires of 1988 created a national controversy that challenged long-held assumptions about the role that fires should play in forestry policy.