Author Question: What is the approximate ratio of on-center bipolar cells to off-center bipolar cells in the human ... (Read 58 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
What is the approximate ratio of on-center bipolar cells to off-center bipolar cells in the human retina?
 
  a. 1:1
 b. 2:1
 c. 5:1
 d. 10:1

Question 2

As ________, snakes help to maintain their body temperature by ________.
 
  a. ectotherms; shivering and moving to a warm spot if it is too cold
  b. endotherms; shivering and trying to find a warm spot if it is too cold
  c. ectotherms; moving to a shady spot if it is too hot
 d. endotherms; moving to a shady spot if it is too hot



kmb352

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

a

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

For a complete list of videos, visit our video library