Curated OER
Maritime Shipping on the Great Lakes and the Link to the Lake Erie Water Snake
Eager ecology learners read about characteristics of the Lake Erie water snake and the round goby fish. They find that the goby is an invasive species, introduced to Lake Erie in 1990, and has since had an impact on the water snake...
Curated OER
Maritime Shipping on the Great Lakes and the Lake Erie Water Snake
After reading about the Lake Erie water snake and the change in its population after the introduction of the round goby in 1990, young ecologists graph water snake diet data. They analyze the data and answer 10 questions based on their...