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B
Lamprey and Hagfish
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C
Lamprey and Eel
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D
Guppie and Hagfish
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Solution
The correct option is B Lamprey and Hagfish
The elongated marine and freshwater fishes lacking a jaw and paired appendages are generally found in agnatha. The only living jawless fishes are the hagfishes and the lampreys. Agnatha is a superclass of jawless fish in the phylum chordata, subphylum vertebrata, consisting of both present and extinct species.