Fish Sensory Systems Chapter 6

Play an AI-generated podcast conversation about this lesson

What is the primary function of the lateral line system in fish?

To maintain equilibrium and balance
To detect vibrations in the water and maintain position in a school (correct)
To detect light and darkness
To detect changes in water temperature

What is the role of the inner ear in fish?

To detect vibrations in the water
To detect changes in water temperature
To maintain equilibrium and balance, as well as hearing (correct)
To capture prey and avoid obstacles

What is the structure that covers the neuromasts in the lateral line system?

A muscular layer
A bony plate
A gelatinous cupula (correct)
A nervous tissue

What type of cells are found in the lateral line system and the inner ear?

Sensory hair cells (A) Signup and view all the answers

Which of the following is NOT a function of the lateral line system?

Maintaining equilibrium and balance (B) Signup and view all the answers

What is the main difference between the lateral line system and the inner ear?

The lateral line system is responsible for detecting vibrations, while the inner ear is responsible for equilibrium and balance (B) Signup and view all the answers

What is the function of the cupula in the hair cells?

To prevent small vibrations from affecting the hair cells (B) Signup and view all the answers

What is the role of hair cells in fishes?

To detect movement of fluid or objects within the fish (C) Signup and view all the answers

What is the function of the pars superior in fishes?

To maintain postural equilibrium and balance (C) Signup and view all the answers

What is the role of the otolithic membrane?

To provide a mechanical linkage between the otolith and the cilia of the sensory hair cells (A) Signup and view all the answers

What is the primary organ responsible for hearing in fishes?

The inner ear (B) Signup and view all the answers

How can sound detection be enhanced in fishes?

By vibrating the gas spaces in the gas bladder (C) Signup and view all the answers

What is the primary function of the otolith organs in fish?

To detect vibrations in the gas bladder (A) Signup and view all the answers

What is the primary function of ampullary receptors in fish?

To detect electric fields originating from sources outside the fish (B) Signup and view all the answers

What type of stimuli do ampullary receptors respond to?

Low-frequency electrical stimuli (A) Signup and view all the answers

What type of fishes are more sensitive to sound and have mechanisms that transmit gas bladder vibrations to the inner ear?

Hearing specialists (C) Signup and view all the answers

What is the function of tuberous receptors?

Active electrolocation (D) Signup and view all the answers

What is the function of the tapetum lucidum in fish eyes?

To enhance vision in low-light conditions (B) Signup and view all the answers

Where are ampullary receptors typically located in fish?

In small pockets in the skin at the end of a canal filled with an electroconductive gel (A) Signup and view all the answers

Which group of fishes has the highest abundance of ampullary receptors?

Elasmobranchs (B) Signup and view all the answers

What is the primary function of olfaction in fish?

To locate food, detect predators, and find mates (A) Signup and view all the answers

Where are olfactory receptors located in fish?

In the fish's nostrils and along the olfactory epithelium (B) Signup and view all the answers

What is unique about the eyes of fish that live in deeper waters?

They are specialized for detecting bioluminescence (A) Signup and view all the answers