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Question
Which among the following is a common feature shared between Betta and Carcharodon?
Which among the following is a common feature shared between Betta and Carcharodon?
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Solution
The correct option is A Chambers in heart
Betta is a bony fish and Carcharodon (the great white shark) is a cartilaginous fish. All fishes have a two-chambered heart with one auricle and one ventricle.
Cartilaginous fishes differ from bony fishes in the mode of embryo development. Sharks are ovoviviparous and bony fishes are oviparous. In ovoviviparous animals, embryo development is inside the body of the mother but nourishment is not provided by the mother rather it is from the yolk. In other words, oviparous animals lay eggs and viviparous animals give birth to young ones.
The air bladder is present in bony fishes and absent in sharks. Air bladder helps in the regulation of buoyancy and prevents the animal from sinking.
Endoskeleton is cartilaginous in sharks and made up of bones in Osteichthyes.
Betta is a bony fish and Carcharodon (the great white shark) is a cartilaginous fish. All fishes have a two-chambered heart with one auricle and one ventricle.
Cartilaginous fishes differ from bony fishes in the mode of embryo development. Sharks are ovoviviparous and bony fishes are oviparous. In ovoviviparous animals, embryo development is inside the body of the mother but nourishment is not provided by the mother rather it is from the yolk. In other words, oviparous animals lay eggs and viviparous animals give birth to young ones.
The air bladder is present in bony fishes and absent in sharks. Air bladder helps in the regulation of buoyancy and prevents the animal from sinking.
Endoskeleton is cartilaginous in sharks and made up of bones in Osteichthyes.
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