AP BIOLOGY

Detailed explanation-1: -invasive species, also called introduced species, alien species, or exotic species, any nonnative species that significantly modifies or disrupts the ecosystems it colonizes. Such species may arrive in new areas through natural migration, but they are often introduced by the activities of other species.

Detailed explanation-2: -Invasive species are animals or plants from another region of the world that don’t belong in their new environment. They can be introduced to an area by ship ballast water, accidental release, and most often, by people.

Detailed explanation-3: -The formal definition of an introduced species from the United States Environmental Protection Agency is “A species that has been intentionally or inadvertently brought into a region or area. Also called an exotic or non-native species".

Detailed explanation-4: -Exotic Species, Introduction Of Exotic species, often referred to as alien, nonnative, nonindigenous, or introduced species, are those that occur in areas outside of their natural geographic range. Vagrant species, those that appear from time to time beyond their normal range, may often be confused with exotic species.

Detailed explanation-5: -An invasive species can be any kind of living organism-an amphibian (like the cane toad), plant, insect, fish, fungus, bacteria, or even an organism’s seeds or eggs-that is not native to an ecosystem and causes harm. They can harm the environment, the economy, or even human health.