Introduction to Ecosystems and Trophic Cascades

Ideas to consider:

1. What is a biotic factor vs an abiotic factor?

2. What is a trophic cascade?

3. How does one organism impact another?

Video 1 - How the Wolves Changed the RIvers

Video 2 - Another link to PBS Documentary on the Wolves of Yellowstone.

Watch the videos - then complete the Worksheet Linked here

Link to Worksheet - Click here to access.