Definitions for "Invasive Species"
a plant or animal species that has established itself in a habitat in which it is not native. Kame: a short ridge or mound of sand and gravel that was deposited as glaciers melted.
nonnative plant and/or animal species introduced into a region that then overwhelm and crowd out native species, degrade habitats, and contaminate the gene pools of indigenous species
A species of plant or animal that is not native to (i.e., did not evolve in) an area; e.g., exotic species.