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Hunter5678 Hunter5678
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6 years ago
A hamster, when put in endless darkness, will display activity that fits a 23-hour day. This rhythm that the hamster is displaying is a(n):
 
  a. endogenous rhythm.
  b. entrained rhythm.
  c. internal rhythm.
  d. external rhythm.
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Ca1234Ca1234
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6 years ago
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I appreciate what you did here, answered it right Smiling Face with Open Mouth
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