scilent features of chondricthyes?
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Key Features of Chondrichthyes
Resemble bony fish and terrestrial vertebrates in having jaws and paired appendages.
An electroreceptive system is well developed.
Endoskeleton entirely cartilaginous.
No swim bladder or lung.
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Chondrichthyes (/kɒnˈdrɪkθiiːz/; from Greek χονδρ- chondr- 'cartilage', ἰχθύς ichthys 'fish') is a class that contains the cartilaginous fishes: they are jawed vertebrates with paired fins, paired nares, scales, a heart with its chambers in series, and skeletons made of cartilage rather than bone.
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