species that do not naturally occur within an area and that have usually arrived in the area as a result of human intervention (whether deliberate or accidental) [i.e. honey bees, red foxes, green iguanas]
species that enter new ecosystems and multiply, harming native species and their habitats [i.e. iguanas, cockroach, princess tree]
A list of worldwide threatened species maintained by the International Union for Conservation of Nature
passed in 1900, the act prohibites the trade of illegally harveted game animals, primarily bids and mammals across state lines
convention on biological diversity
1992- an international treaty that aims to conserve biodiversity, sustainably use biodiversity, and equitably share the benefits of commercial use of genetic resources such as drugs. They identified the scary extinction trends in 2002.