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Question:
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Water vascular system is the characteristic of which group of the following:
(a) Porifera
(b) Ctenophora
(c) Echinodermata
(d) Chordata
(a) Porifera
(b) Ctenophora
(c) Echinodermata
(d) Chordata
Solution:
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Verified Answer
Echinodermata - Its vascular system with tube feet helps in locomotion. A perforated plate, madreporite, permits entry of water into ambulacral system which also help in food and gas transport system.
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