Nesting Chinstrap Penguins and Their Sleep Behavior

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Questions and Answers

What did Won Young Lee notice about the sleep behavior of chinstrap penguins?

  • They slept continuously for long periods.
  • They slept deeply without any interruptions.
  • They seemed to doze for very brief periods. (correct)
  • They were hyperactive and rarely slept.

Why did the scientists mount sleep-trackers on the backs of nesting chinstrap penguins?

  • To record their interactions with other penguins.
  • To measure brain activity and sleep patterns. (correct)
  • To study their flying behavior.
  • To track their feeding habits.

How many 'microsleeps' did the nesting penguins take per hour?

  • Less than 100
  • Around 300
  • Exactly 500
  • More than 600 (correct)

Where does Won Young Lee work?

<p>Korea Polar Research Institute in Incheon (B)</p> Signup and view all the answers

What did the researchers do to investigate the chinstraps’ sleep?

<p>Mounted sleep-trackers on the birds’ backs and wired them to their brains. (C)</p> Signup and view all the answers

What is one of the unusual sleep patterns observed in chinstrap penguins?

<p>Sleeping with one eye open (B)</p> Signup and view all the answers

Why do killer-whale and dolphin moms stay awake for a month after giving birth?

<p>To remain vigilant and protect their offspring (D)</p> Signup and view all the answers

What is the significance of the 10,000 brief sleeps each day for the chinstrap penguins?

<p>It provides restorative rest for their brains (C)</p> Signup and view all the answers

How do marine mammals and other birds differ in their sleep patterns?

<p>They have restricted sleep patterns when staying alert is needed (A)</p> Signup and view all the answers

What is one of the potential reasons for the constant commotion in the penguin colony referred to in the text?

<p>Predatory birds trying to grab eggs and chicks (B)</p> Signup and view all the answers

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