MCQ
Water vascular system (ambulacral system) is typically found in
  • A
    Hydra
  • B
    Sponge
  • C
    Earthworm
  • Star fish

Answer

Correct option: D.
Star fish
d
(d)Presence of Ambulacral system $(Water vascular system) $ is uniqe feature of echinodermata. It is associated with locomotion.

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