Question

Mention the features of class Chondrichthyes.

Answer 1

Hello ,mate..

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 lungs....

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Answer 2

$\huge{\mathfrak{HEYA\:MATE\:!!}}$

Answer...

Features →

• Also known as cartilaginous fishes due to presence of cartilaginous endoskeleton.

• operculum is absent.

• Skin is covered by placoid scales .

• They don't have air bladder and therefore have to swim continuously.

• They are cold blooded animals.

ex. → Scoliodon , Pristis , etc.

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