The ecosystem of the Great Lakes is rapidly changing, due to the introduction
of non-native species. Learn about the history of the invasions and steps being taken to halt them.
Duration
60 minutes
Grade Level
4 - 12
Presenters
USEPA Scientifc Divers & Biologists
Advanced Preparation
Pre and Post activities can be arranged. Educators are invited to download an accompanying fact/work sheet for use during the event.
