View full lesson: http://ed.ted.com/lessons/the-threat-of-invasive-species-jennifer-klos

Massive vines that blanket the southern United States, climbing high as they uproot trees and swallow buildings. A ravenous snake that is capable of devouring an alligator. Rabbit populations that eat themselves into starvation. These aren’t horror movie concepts – they’re real stories. But how could such situations exist in nature? Jennifer Klos gives the facts on invasive species.

Lesson by Jennifer Klos, animation by Globizco.