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23 April, 04:27

While gutting a fish, Nathan encountered an air-filled sac-like structure. What is the purpose of this structure in fish?

A.

It enables fish to breathe in water.

B.

It serves as a reserve space to store fat.

C.

It harbors bacteria that benefit the fish.

D.

It provides buoyancy to the fish.

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Answers (1)
  1. 23 April, 08:20
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    D. It provides buoyancy to a fish.

    This air pocket is known as the swim bladder, and also called air bladder. This is a buoyancy organ possessed by most bony fish. The air bladder is located in the body cavity and is derived from an out pocketing of the digestive tube.
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Home » Biology » While gutting a fish, Nathan encountered an air-filled sac-like structure. What is the purpose of this structure in fish? A. It enables fish to breathe in water. B. It serves as a reserve space to store fat. C.
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