how does the infection of round worms like ascaris, filiarial worm and plant nematodes occur and what are their preventive measures and treatment? class 10 science 2, 6 chapter.
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Explanation:
Body elongated ,cylindrical and unsegmented
Most of them live as parasites inside the body of other animals including humans
Have two openings , the mouth and the anus. Have a definite digestive system
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