75 word essay on What is an invasive species? Using an example, explain how an invasive species can impact the ecosystem. Be sure to use completed sentences and explain your answer.

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An invasive species is a non-native organism that enters an ecosystem and poses a threat to the native species and their habitats. These species often have rapid growth rates and are able to outcompete the native plants or animals for resources such as food, water, and shelter. One example of an invasive species is the zebra mussel. Originally from Eastern Europe, they were accidentally introduced to the Great Lakes in the 1980s. Zebra mussels reproduce rapidly and filter large amounts of plankton from the water, outcompeting native species for food. This leads to a decline in native mussel populations and disrupts the food chain. Additionally, their sharp shells can cause damage to boats and water infrastructure. The presence of zebra mussels has altered the entire ecosystem of the Great Lakes.
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