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Questions and Answers
What is the primary function of the swim bladder in most bony fishes?
What is the primary function of the swim bladder in most bony fishes?
- Hearing
- Sound production
- Respiration
- Buoyancy (correct)
Which type of swim bladder is found in freshwater fishes and functions as a primitive lung?
Which type of swim bladder is found in freshwater fishes and functions as a primitive lung?
- Physostomous (correct)
- Physoclistous
- Cyclostome
- Cartilaginous
What is the primary evolutionary trend in the development of lungs?
What is the primary evolutionary trend in the development of lungs?
- Adaptation to increasing body size and metabolic rate (correct)
- Adaptation to terrestrial environments
- Adaptation to decreasing body size and metabolic rate
- Adaptation to aquatic environments
Which characteristic best distinguishes tetrapod lungs from fish lungs?
Which characteristic best distinguishes tetrapod lungs from fish lungs?
Which type of fish is most dependent on atmospheric air for respiration?
Which type of fish is most dependent on atmospheric air for respiration?
Which group of animals relies entirely on cutaneous or gill respiration?
Which group of animals relies entirely on cutaneous or gill respiration?
What is the primary function of the buccopharyngeal space in pulse (expiration) pump ventilation?
What is the primary function of the buccopharyngeal space in pulse (expiration) pump ventilation?
In which respiratory group does inspiration occur via negative pressure?
In which respiratory group does inspiration occur via negative pressure?
Which animal group has a unique respiratory morphology involved in thermoregulation?
Which animal group has a unique respiratory morphology involved in thermoregulation?
What is the main function of the accessory air sacs in birds?
What is the main function of the accessory air sacs in birds?
Which of the following is NOT a modifiable vertebrate feature that affects external respiration?
Which of the following is NOT a modifiable vertebrate feature that affects external respiration?
What is the primary function of the internal gills in aquatic respiration?
What is the primary function of the internal gills in aquatic respiration?
What distinguishes the respiratory system of Agnathans from that of Cartilaginous Fishes?
What distinguishes the respiratory system of Agnathans from that of Cartilaginous Fishes?
Which feature is unique to the gills of Cartilaginous Fishes?
Which feature is unique to the gills of Cartilaginous Fishes?
What is the function of the operculum in Bony Fishes?
What is the function of the operculum in Bony Fishes?
What is the purpose of the dual pump system in fish respiration?
What is the purpose of the dual pump system in fish respiration?
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