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Class Osteichthyes includes both marine and freshwater fishes with
(a)Cartilaginous endoskeleton
(b)Chitinous endoskeleton
(c)Bony endoskeleton
(d)Both and

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Important Questions on Animal Diversity - II (Chordata Phylum)
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The character common to both cartilaginous and bony fishes, is the presence of

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Lung fishes have

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Lung fishes

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Dorsal and ventral fins are continuous with caudal fin in

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Pregnant male is the term used for

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Internal nares are present in:

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Latimeria

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In Latimeria, the fins are
