Fish Sensory Systems Chapter 6
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Questions and Answers

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?

<p>Sensory hair cells (A)</p> Signup and view all the answers

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

<p>Maintaining equilibrium and balance (B)</p> Signup and view all the answers

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

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

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

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

What is the role of hair cells in fishes?

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

What is the function of the pars superior in fishes?

<p>To maintain postural equilibrium and balance (C)</p> Signup and view all the answers

What is the role of the otolithic membrane?

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

What is the primary organ responsible for hearing in fishes?

<p>The inner ear (B)</p> Signup and view all the answers

How can sound detection be enhanced in fishes?

<p>By vibrating the gas spaces in the gas bladder (C)</p> Signup and view all the answers

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

<p>To detect vibrations in the gas bladder (A)</p> Signup and view all the answers

What is the primary function of ampullary receptors in fish?

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

What type of stimuli do ampullary receptors respond to?

<p>Low-frequency electrical stimuli (A)</p> 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?

<p>Hearing specialists (C)</p> Signup and view all the answers

What is the function of tuberous receptors?

<p>Active electrolocation (D)</p> Signup and view all the answers

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

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

Where are ampullary receptors typically located in fish?

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

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

<p>Elasmobranchs (B)</p> Signup and view all the answers

What is the primary function of olfaction in fish?

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

Where are olfactory receptors located in fish?

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

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

<p>They are specialized for detecting bioluminescence (A)</p> Signup and view all the answers

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