Invader Species of the Great Lakes

Learners will work in small groups to organize scrambled exotic species cards. Each group will present a different exotic species in a poster or fact sheet to the class, and then the group will act out (charades) a way to avoid the spread of their exotic species.


  • name and visually recognize some invader (nonindigenous/ exotic) species of the Great Lakes
  • understand and analyze the positive and negative impacts of invader species on the Great Lakes ecosystem
  • explain the ways in which invader species are introduced into the Great Lakes
  • describe and act out ways to avoid the spread of exotic species

External Curriculum Materials


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Great Lakes Literacy Principles: