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.
A hard copy will be given in class.