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Chondrichthyes Quiz

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Which of the following is a unique feature of Chondrichthyes' stomach?

It has a J-shaped orientation (correct)

It is capable of digesting bones

It is located in the center of the body

It is highly acidic

What is the purpose of spiracles in cartilaginous fish?

To help them see in murky water

To allow them to breathe while stationary (correct)

To aid in digestion

To regulate their body temperature

How do Chondrichthyes maintain osmotic concentration in their blood?

By excreting excess salt through their gills

By drinking large amounts of seawater

By having a specialized organ for osmoregulation

By retaining nitrogen-containing compounds in their blood (correct)

Chondrichthyes Quiz

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Questions and Answers

Which of the following is a unique feature of Chondrichthyes' stomach?

What is the purpose of spiracles in cartilaginous fish?

How do Chondrichthyes maintain osmotic concentration in their blood?

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