PBS
Pbs Nova: Deep Sea Invasion: Battling Introduced Wildlife
Many species that have been introduced for the purpose of dealing with a problem such as erosion or a rat epidemic, instead become invasive. How can these invasive species be eradicated? Eminent ecologist Dan Simberloff explains some of...
CK-12 Foundation
Ck 12: Biology: Human Actions and the Sixth Mass Extinction
[Free Registration/Login may be required to access all resource tools.] Describes how human actions are resulting in a sixth mass extinction.