| A | B |
| Species | group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding |
| Native Species | Species found within its natural range |
| Invasive Species | An alien species whose introduction does or is likely to cause economic or environmental harm or harm to human health. |
| Biological Control | Control by use of natural enemies |
| Chemical Control | Control by use of pesticides |
| Adapted | become adjusted to new conditions |
| Introduced | A species living outside its native distribution range which has arrived there by human activity, either deliberate or accidental |
| Naturalized | Species that have become established in a novel habitat or geographical area to the point where they appear to be native. |
| Exotic species | Non native species that has not caused harm to the environment |