a plant, animal, or other organism that is typically nonnative (or alien) to a particular ecosystem and whose introduction causes, or is likely to cause, harm to the economy, the environment, or human health. Killer bees and water hyacinth are two examples of invasive species.
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Christine Song supports both Project Learning Tree (PLT) US and Canada's program delivery and reporting, program research, and communications. Christine holds a Master of Environmental Science from the University of Toronto and and a combined degree with a Bachelor of Science in ecology and zoology and a Bachelor of Science in anthropology from the University of Calgary.
