Adult echinoderms have ............. symmetry.

Spherical

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Bilateral

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Radial

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Biradial

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Solution

The correct option is C Radial
Echinoderms are a phylum of marine animals.
There are 2 symmetry present in echinoderms. They have bilateral symmetry at larval stage and in adult stage they show radial symmetry.
The adults in echinoderms are characterised by their radial symmetry like in starfish, sea urchins, sand dollars and sea cucumbers.
Therefore, the correct answer is option C.

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Similar questions

Pick the incorrect statement regarding echinoderms :

I. Body is covered with spicules made of bio-mineral matrix.

II. Adults show pentaradial Symmetry while larvae show bilateral symmetry.

III. Water vascular system is well developed and aids in locomotion and feeding.

IV. Classification of echinoderms is based on merosity of organs.

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