Vocabulary: National Science Educational Standards » Term: Life science K- 4 » Records: Organisms and their environments » ID: 274

Click image to see larger image	Zebra mussel current distribution
Location	http://nas.er.usgs.gov/taxgroup/mollusks/zebramussel/
Observations	This map of the United States shows the current distribution of zebra mussels (in red).
Explanations	In the last 20 years, zebra mussels have spread from the Great Lakes to most major freshwater areas in the Eastern United States.
California Standards	Organism survival
National Standards	Human impact
Related NSF Exemplary Curriculum	Time-lapse
Related Sets	Invasion of the zebra mussel
Creative Commons License	This work is licensed under a Creative Commons Attribution-Share Alike 2.5 License.
Authors	Katie Hale khale92807@aol.com Biological Sciences, CSUF
Publisher	USGS Jul 08 2007

This material is based upon work that was supported by the National Science Foundation under Grant No. 0127164 to California State University Fullerton. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.