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Lesson Plan
Curated OER

Maritime Shipping on the Great Lakes and the Link to the Lake Erie Water Snake

For Teachers 7th - 12th
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...
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Worksheet
Curated OER

Maritime Shipping on the Great Lakes and the Lake Erie Water Snake

For Students 9th - 12th
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...