Which phylum belongs to Deuterostomia?

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(A) In animals,the development of the blastopore during gastrulation determines the classification into Protostomia and Deuterostomia.In Protostomes,t

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Echinodermata

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(A) In animals,the development of the blastopore during gastrulation determines the classification into Protostomia and Deuterostomia.In Protostomes,the blastopore develops into the mouth.In Deuterostomes,the blastopore develops into the anus,and the mouth forms later.Among the given options,$Echinodermata$ and $Chordata$ are the primary phyla that belong to the Deuterostomia group.Therefore,the correct option is $A$.

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