Answer:
The Gypsy Moth, Nutria, Zebra Mussel, Hydrilla, Sea Lamprey and Kudzu are examples of non-natives that have caused massive economic and ecological losses in new locations because the natural controls of their native ecosystems were not there.
Non-native species can provide services useful to humans, particularly in facilitating many contemporary needs of ... For example, D. polymorpha has both numerous negative and positive effects on natural ecosystems.
