Author Question: Circadian rhythms are a. endogenous cycles of activity over the course of a day. b. not found ... (Read 72 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
Circadian rhythms are
 
  a. endogenous cycles of activity over the course of a day.
  b. not found in plants.
  c. learned patterns of daily activity.
  d. annual changes in behavior (such as migration).
  e. monthly cycles of reproductive activity.

Question 2

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. pacemaker.
  c. entrained rhythm.
  d. internal rhythm.
  e. external rhythm.



al

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

Answer: a. endogenous cycles of activity over the course of a day.

Answer to Question 2

Answer: a. endogenous rhythm.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

For a complete list of videos, visit our video library