main characters of echinoderms
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Characteristic Features of Phylum Echinodermata
The larval forms show bilateral symmetry and adult forms show radial symmetry. The body is uniquely shaped. It can star like, elongated or spherical. The body surface is covered with calcareous spicules.
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The main important characteristic feature of Echinodermata is they have water vascular system. (Different from water canal system which is present in sponges/ Porifera).
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