Biological Roulette
Click on the wheel to see how some alien species were introduced,
and what happened.
Zebra mussel §
Dreissena polymorpha
From: Europe
To: Great Lakes
Effect: billions of dollars in property damage
How introduced: Stowaway brought in ballast water
Illustration © Tim Phelps
Display the entire list of alien species.
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Alien Species
Ocean Planet Exhibition Floorplan
gene carl feldman
(gene@seawifs.gsfc.nasa.gov) &
Judith Gradwohl (Curator/Ocean Planet)