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invasive
A species is not inherently native or invasive. All species on Earth have a region to which they are native. If they are introduced to a new area, then they are invasive to that area. The orca has a cosmopolitan distribution, so it is native to oceans pretty much everywhere.
Many types of butterflies are migratory. Therefore, they would be native, and NOT invasive.
Customs checks help stop non-native species from invading and disrupting the native ecosystem. The invasive species may out compete the local species, or the invasive species may have no predators in the native ecosystem.
Invasive species are species that are not native to an area. They typically will thrive in their new environment and in doing so will change the ecosystem by starving out the native species. Some examples of invasive species in America are Japanese beetles, Asian carp, kudzu, phragmites and many many more.
No, raccoons are not an invasive species of the Everglades. They are native wildlife there.
An invasive animal
The only land mammals native to the Galapagos are the Hoary Bat, the Galapagos Red Bat, and the Galapagos Rice Rat. That makes three species, but some people divide the Galapagos Rice Rat into more than one species.
It is not a native plant and it crowds out native plants.
It is not a native plant and it crowds out native plants.
No, not all non-native species are invasive. Penguins brought to a sandy desert would most certainly die very quickly.
Native to Puerto Rico and an invasive species of Hawaii.