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A bony fish has a ________ that helps it maintain depth.

Question 4 options:

lungs


swim bladder


dorsal fin


cartilage

Respuesta :

Answer:

Swim bladder

Explanation:

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jgirouard1418

Answer:

Swim bladder

Explanation:

Bony fish have a swim bladder which helps them maintain a constant depth in the water column.

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