Which of the following options have features | vedclass

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(A) The animals $Asterias$ (Starfish), $Antedon$ (Sea lily), and $Echinus$ (Sea urchin) belong to the phylum $Echinodermata$.$Aplysia$ (Sea hare) is a

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Water vascular system, Calcareous shell

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(A) The animals $Asterias$ (Starfish), $Antedon$ (Sea lily), and $Echinus$ (Sea urchin) belong to the phylum $Echinodermata$.$Aplysia$ (Sea hare) is a mollusk, but in the context of this specific question grouping, the features $Water 	ext{ } vascular 	ext{ } system$ and $Calcareous 	ext{ } shell$ (endoskeleton) are characteristic of the $Echinodermata$ group.$Echinoderms$ possess a unique water vascular system and an endoskeleton of calcareous ossicles.

Which of the following options have features corresponding to the given animals?
$Aplysia$, $Asterias$, $Antedon$, $Echinus$

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Which of the following options have features corresponding to the given animals?$Aplysia$, $Asterias$, $Antedon$, $Echinus$