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

Author Question: The main difference between the retina of a human eye and that of a dog's eye is the A) ... (Read 12 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
The main difference between the retina of a human eye and that of a dog's eye is the
 
  A) predominance of cones in a dog's retina.
  B) absence of cones in a dog's retina.
  C) more intricate optic nerve in a human's eye.
  D) small number of cones in a human's eye.
  E) none of the above

Question 2

Colors are barely seen or not at all in nighttime because moonlight
 
  A) has almost no colors in it.
  B) is too dim to activate the retina's cones.
  C) photons don't have enough energy to activate the retina's cones.
  D) is primarily yellow light.
  E) is only semi-transparent in Earth's atmosphere.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sabina576

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B





 

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

For a complete list of videos, visit our video library