Adaptations Quiz

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Questions and Answers

What is inclusive fitness a measure of?

  • The individual's success rate
  • The viability of offspring and kin
  • The density of prey in the aquatic environment
  • The ability for genetic material to propagate itself (correct)

What is the approximate heat transfer rate of water compared to air at the same temperature?

  • 5 times greater
  • 24 times greater (correct)
  • 10 times greater
  • Equal

What is the salinity of sea water approximately?

  • 50 ppt
  • 35 ppt (correct)
  • 20 ppt
  • 10 ppt

Which type of marine mammal has the thickest integument for insulation and buoyancy?

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

What is the average sprint speed of a human in water?

<p>0.9 m/s (D)</p> Signup and view all the answers

What is the primary function of blubber in marine mammals?

<p>Insulation (A)</p> Signup and view all the answers

What is the color pattern used for species recognition in cetaceans?

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

What is the average running speed of a sea otter?

<p>2.5 m/s (A)</p> Signup and view all the answers

What is the main method of thermoregulation for pinnipeds?

<p>Entering or leaving water (B)</p> Signup and view all the answers

What is the typical body temperature of cetaceans?

<p>33°C (C)</p> Signup and view all the answers

What is the osmoregulation strategy of pinnipeds in response to high salinity seawater?

<p>Metabolize water from food (A)</p> Signup and view all the answers

What is the diving response characterized by slow heart rate called?

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

What is the primary method of respiration for marine mammals during diving?

<p>Apnea (A)</p> Signup and view all the answers

What is the ratio of venous blood temperature to arterial blood temperature in marine mammals?

<p>25°C to 30°C (C)</p> Signup and view all the answers

What is the primary method of heat exchange in marine mammals?

<p>Countercurrent heat exchange (C)</p> Signup and view all the answers

What is the average sprint speed of a pinniped in water?

<p>2.8-5.5 m/s (C)</p> Signup and view all the answers

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