Segmented worms are known as
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Nematods
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Pianarians
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Annelids
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Arthropods
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None of these
C
Correct answer
Explanation
Segmented worms are called annelids. They are characterized by body segmentation (repeated similar units), which distinguishes them from roundworms (nematodes) and flatworms (planarians - misspelled here). Arthropods also have segmentation but are distinguished by jointed appendages and chitinous exoskeletons.