mention any three characteristics of class to which shark belongs
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Elasmobranchii (sharks, skates and rays) and Holocephali (chimaera). Resemble bony fish and terrestrial vertebrates in having jaws and paired appendages. An electroreceptive system is well developed. Endoskeleton entirely cartilaginous
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Explanation:
There are seven anatomic characteristics of sharks:
Cartilage Skeleton.
Skin covered with dermal denticles.
Powerful Jaws.
Efficient Liver.
Anatomic Tail.
Dynamic Fins.
Highly Developed Senses.
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