Curriculum Search Results: invasive species

Invasive Species

Many non-native species live in the Great Lakes, and some of them are considered invasive. These species have established populations, multiplied rapidly and caused profound and lasting impacts on the Great Lakes ecosystem. Others (such as Asian carp) have caused serious ecological problems in other parts of the country and threaten to enter the Great Lakes. This lesson explores how invasive species have impacted the Great Lakes and how people can help prevent the spread of these unwanted species.

Objectives:

  • Name and visually recognize the primary aquatic invasive species of the Great Lakes.
  • Understand and analyze the negative impacts that invasive species have on the Great Lakes ecosystem.
  • Explain the ways in which non-native species are introduced into the Great Lakes.

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Invader Species of the Great Lakes

Students do a card-matching activity to learn about aquatic invasive species (AIS). In groups students select an aquatic invasive species, create a poster or factsheet and develop a charade-like game to demonstrate ways to prevent invasive species from spreading.

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Beat the Barriers

This board game teaches students about the various methods used to limit the sea lamprey population in the Great Lakes. Students assume the identity of sea lampreys and attempt to migrate from Lake Ontario to Lake Superior.

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Don’t Stop for Hitchhikers!

Students role-play the part of lake inhabitants and the aquatic exotics who displace the native species. Props are used to help demonstrate how aquatic exotic species enter a lake or river system, the negative effect they have on the native species, and things people can do to stop the spread of exotic species.

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Seeing Purple: A Population Explosion

Through a simulation, sampling, and estimation activity, students learn about the impact of purple loosestrife on a wetland due to its exponential growth. They learn about purple loosestrife’s life cycle and  appreciate how scientists determine population size in an ecosystem.

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Rival for Survival

This game presents real-life choices involving exotic species found in the Great Lakes, such as zebra mussels and purple loosestrife. Students are to analyze a situation related to ecology and make an environmentally sound decision. After playing the game, students organize what they learned into a  concept map.

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