Throughout their evolution, arthropods have invaded new geographic areas and habitats. Click the magnifying glasses on the map to see some examples of arthropod variety.

Melophorus ants photo provided by Barbara Muser and Ken Cheng; Gammarus wilkitzkii photo provided by Rolf Gradinger, from NOAA Ocean Explorer; Scolopendra gigantea photo provided by Daniel Read; Wingless fly photo © Genny Anderson; Jumping spider photo provided by Wayne Maddison; Crab photo provided by the National Oceanic and Atmospheric Administration/Department of Commerce

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