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Fish Anatomy and Physiology Quiz

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Questions and Answers

What is the primary function of gills in fish?

To provide structural support
To assist in swimming
To extract oxygen from water (correct)
To regulate buoyancy

Which fin is responsible for stability and steering in fish?

Dorsal Fin
Pectoral Fin (correct)
Caudal Fin
Ventral Fin

What enables fish to remain buoyant with minimal energy expenditure?

Operculum
Lateral line organ
Dorsal fin
Swim bladder (correct)

Which structure in fish helps in understanding their environment?

<p>Lateral line organ (B)</p> Signup and view all the answers

What is the role of the operculum in fish?

<p>To protect the gills (A)</p> Signup and view all the answers

Flashcards

Spindle-shaped body

The streamlined shape of a fish's body, reducing water resistance during swimming.

Gills

The organ that allows fish to extract oxygen from water and release carbon dioxide.

Swim bladder

A gas-filled sac that helps fish control their buoyancy and stay afloat.

Lateral line

Sensory organ that runs along the sides of a fish's body, detecting vibrations and changes in water pressure.

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Operculum

The flap-like structure that covers and protects a fish's gills.