Topic: invasive species in the great lakes

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The Great Lakes ecosystem has been attacked by more than 180 invasive species. In a normal circumstance the ecosystem consist of microorganisms that coexist and mutually benefit from each other. However, with the entrance of species such as alewife, Eurasian milfoil, sea lamprey, purple loosestrife, zebra mussel and quagga mussel, life at these ecosystems have been severely damaged. These invasive species degrade the habitat by reproducing and multiplying quickly, thus outnumbering the native species and exhausting the food circles..

APA

211 words