Podcast
Questions and Answers
Which fish family is known for regional endothermy?
Which fish family is known for regional endothermy?
- Scombridae (mackerels & tunas) (correct)
- Cyprinidae (carps & minnows)
- Gadidae (cods & haddocks)
- Clupeidae (herrings & sardines)
What is the function of the 'rete mirabile' in fish?
What is the function of the 'rete mirabile' in fish?
- Regulate blood pH
- Minimize O2 loss to venous capillaries (correct)
- Maximize CO2 loss to venous capillaries
- Enhance oxygen absorption in the gills
Which fish is known for having a heater organ in its cranium?
Which fish is known for having a heater organ in its cranium?
- Barracuda
- Swordfish (correct)
- Catfish
- Salmon
What is the advantage of heterothermy in the swimming musculature of certain fish?
What is the advantage of heterothermy in the swimming musculature of certain fish?
Which type of buoyancy is established and maintained by some fish species?
Which type of buoyancy is established and maintained by some fish species?
What is the main function of the gas bladder in fish?
What is the main function of the gas bladder in fish?
What is the primary source of heat production for the heater organ in swordfish?
What is the primary source of heat production for the heater organ in swordfish?
Which fish family is not associated with regional endothermy?
Which fish family is not associated with regional endothermy?
What is the ecological advantage of regional endothermy in fish?
What is the ecological advantage of regional endothermy in fish?
Which physiological trait is associated with fish exhibiting regional endothermy?
Which physiological trait is associated with fish exhibiting regional endothermy?
What type of fish are ectothermic poikilotherms?
What type of fish are ectothermic poikilotherms?
What is the heat conductivity ratio between water and air?
What is the heat conductivity ratio between water and air?
What is the heat capacity ratio between water and air?
What is the heat capacity ratio between water and air?
What is the main factor contributing to high rates of convective heat loss in water for fishes?
What is the main factor contributing to high rates of convective heat loss in water for fishes?
Which term refers to the variation of body temperature with the environment?
Which term refers to the variation of body temperature with the environment?
What is the term for the maintenance of constant body temperature?
What is the term for the maintenance of constant body temperature?
Which group has body temperature determined primarily by the environment?
Which group has body temperature determined primarily by the environment?
What does 'Regional endothermy' involve?
What does 'Regional endothermy' involve?
What is an example of behavioral thermoregulation mentioned in the text?
What is an example of behavioral thermoregulation mentioned in the text?
What is the preferred temperature range for energy conservation in Sculpin (Cottus extensus)?
What is the preferred temperature range for energy conservation in Sculpin (Cottus extensus)?
At what temperature do Sockeye Salmon (O. kisutch) digest after dusk?
At what temperature do Sockeye Salmon (O. kisutch) digest after dusk?
What percentage increase in growth rate is observed in Sculpin due to increased digestion efficiency?
What percentage increase in growth rate is observed in Sculpin due to increased digestion efficiency?
