Gastro-vascular cavity is located in Earthworm Hydra Liverfluke Ascaris

Gastro-vascular cavity is located in                 
  1. Earthworm
  2. Hydra
  3. Liverfluke
  4. Ascaris

Grade:12th pass

1 Answers

amit kumar singh
57 Points
6 years ago
Gaston vascular cavity is the feature of phylum coelenterata(Cnidaria) so ans has to be hydra as it belong to this phylum

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