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Question

Scoliodon has a ____________________ heart.

A
2 chambered
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B
3 chambered
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C
4 chambered
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D
1 chambered
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Solution

The correct option is A 2 chambered
Scoliodon is a cartilaginous fish, which has 2 chambered heart one auricle and one ventricle, mixing of oxygenated and deoxygenated blood takes place. Its endoskeleton is made up of cartilage. Therefore, option A is correct.

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