Pharyngeal gill slits are found in

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(A) Pharyngeal gill slits are a characteristic feature of the phylum Chordata.Among the given options,the shark belongs to the class Chondrichthyes (c

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Shark

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(A) Pharyngeal gill slits are a characteristic feature of the phylum Chordata.Among the given options,the shark belongs to the class Chondrichthyes (cartilaginous fishes) under the phylum Chordata.Sharks possess $5$ to $7$ pairs of gill slits that open directly to the exterior without an operculum.Crayfish,cuttlefish,and starfish are non-chordates (invertebrates) and do not possess pharyngeal gill slits.

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