Organisms in phylum Arthropoda have many common characteristics. However, there is one characteristic that defines this phylum. What is this characteristic?

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    closed circulatory system
    wings
    paired, jointed appendages
    exoskeleton
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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paired, jointed appendages
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)

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