Purple loosestrife was introduced into the Great Lakes region from Europe and sold as a garden flower. It produces thousands of seeds and has no natural predators there. It now clogs acres of wetlands and is considered a(n):

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Purple loosestrife is considered an invasive species because it was introduced into an ecosystem where it has no natural predators and can outcompete native plants, leading to the degradation of wetland habitats.

Purple Loosestrife Was Introduced into the Great Lakes Region from Europe