Not all introduced species are invasive; an invasive species is specifically one that causes harm to the environment, economy, or human health in its new habitat. For example, the common house cat, while introduced to many regions, can have detrimental effects on local wildlife, making it invasive in some areas. In contrast, the European honeybee, although introduced to many parts of the world, primarily aids in pollination and has not shown the same harmful impacts, thus not being classified as invasive.
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