Author Question: What is the approximate ratio of on-center bipolar cells to off-center bipolar cells in the human ... (Read 97 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?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

For a complete list of videos, visit our video library