What is an invasive species? What sort of problems can they cause? Once invaded, is it ever possible to get rid of the invader? How do these plants and animals "invade" an area?
What is an invasive species? What sort of problems can they cause? Once invaded, is it ever possible to get rid of the invader? How do these plants and animals "invade" an area?
As humans travel around the world, they sometimes introduce non-native species to new areas. Some of these species become invasive and harm their new environments. This series examines eight invasive...
Originally native to the Caspian and Black Seas, zebra mussels are now widespread throughout the United States. Transported accidentally, these quickly reproducing creatures soon became a deadly...
