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Author Question: The day-night cycle that occurs approximately every 24 hours is the day-night cycle. night-day ... (Read 218 times)

burton19126

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on: Jun 22, 2018
The day-night cycle that occurs approximately every 24 hours is the
 
  day-night cycle.
  night-day cycle.
  sleep cycle.
  circadian rhythm.

Question 2

The sex hormone secreted in greater amounts by males than females is
 
  progesterone.
  testosterone.
  estrogen.
  noradrenaline.


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ladyjames123

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Reply #1 on: Jun 22, 2018
Answer to Question 1

circadian rhythm.

Answer to Question 2

testosterone.


burton19126

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Reply 2 on: Jun 22, 2018
Gracias!

robbielu01

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Reply 3 on: Yesterday
Wow, this really help

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