Water vascular system is found in which phylum


A. Echinodermata


B. Porifera


C. Molluscs


D. Cnidaria



Pin worm

A. Ascaris lumbricoides B. Enterobius vermicularis C. Wuchereria bancrofti D. Ancylostomaa deuodenale ANSWERB. Enterobius vermicularis

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