View full lesson: http://ed.ted.com/lessons/attack-of-the-killer-algae-eric-noel-munoz

As benign as it may look up close, the tiny seaweed Caulerpa taxifolia can wreak quite a bit of havoc on coastal ecosystems. This super algae is very adaptable; it also grows fast and spreads easily. Eric Noel Muñoz gives the details of this plant's incredible invasion, shedding light on the risks of introducing invasive species into new ecosystems.

Lesson by Eric Noel Muñoz, animation by Eli Enigenburg.