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Water vascular system is the characteristic of which group of the following (a) Porifera (b) Ctenophora (c) Echinodermata (d) Chordata

8. Water vascular system is the characteristic of which group of the following:

         (a) Porifera

         (b) Ctenophora

          (c) Echinodermata

          (d) Chordata

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S Sonika

(c). Echinodermata

Water vascular system is a characteristic feature of echinoderms which help in locomotion, respiration and capturing of food. 

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