An animal with an unsegmented coelom,superfic | vedclass

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(C) The characteristics described are specific to the phylum $Echinodermata$. $1$. $Echinoderms$ possess an unsegmented body with a true coelom (enter

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Echinodermata

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(C) The characteristics described are specific to the phylum $Echinodermata$. $1$. $Echinoderms$ possess an unsegmented body with a true coelom (enterocoelom). $2$. Adult $Echinoderms$ exhibit radial symmetry (specifically pentamerous radial symmetry),which is a secondary adaptation. $3$. The larval stages of $Echinoderms$ are bilaterally symmetrical,indicating their evolutionary relationship with chordates. Therefore,the correct option is $C$.

An animal with an unsegmented coelom,superficial radial symmetry in adults,and a bilaterally symmetrical larva belongs to which phylum?

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