Author Question: Circadian rhythms are a. endogenous cycles of activity over the course of a day. b. not found ... (Read 89 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?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

For a complete list of videos, visit our video library