This topic contains a solution. Click here to go to the answer

Author Question: The day-night cycle that occurs approximately every 24 hours is the day-night cycle. night-day ... (Read 151 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ladyjames123

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

circadian rhythm.

Answer to Question 2

testosterone.




burton19126

  • Member
  • Posts: 532
Reply 2 on: Jun 22, 2018
:D TYSM


shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Excellent

 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

For a complete list of videos, visit our video library