How did parasitic worms evolve?
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Mark E. Viney
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Article
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2009
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John Wiley and Sons
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English
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## Abstract Nematodes are important parasites of humans and other animals. Nematode parasitism is thought to have evolved by freeβliving, facultatively developing, arrested larvae becoming associated with animals, ultimately becoming parasites. The formation of freeβliving arrested larvae of the ne