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Author Question: External cues, such as the rising of the sun, used by animals to establish daily rhythms are known ... (Read 120 times)

wenmo

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on: Jun 21, 2018
External cues, such as the rising of the sun, used by animals to establish daily rhythms are known as
 
  a. phase shifts.
 b. zeitgebers.
 c. entrainment signals.
 d. circadian rhythms.

Question 2

Which of the following is an example of a circadian rhythm?
 
  a. sleep-waking cycles
 b. menstrual cycles
 c. seasonal migration
 d. mating seasons


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krakiolit

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Reply #1 on: Jun 21, 2018
Answer to Question 1

b

Answer to Question 2

a


wenmo

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Reply 2 on: Jun 21, 2018
Thanks for the timely response, appreciate it

ecabral0

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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