Annelids (segmented worms) have many structures comparable to those observed in vertebrates (like you). Which of the following is a vertebrate structure to which there is nothing comparable in an annelid?

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    heart
    kidney
    teeth
    lung

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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lung
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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