Which of the following is a correct statement?

a. Cones respond to particular wavelengths (colors), rods perceive light at low intensity
without color perception.
b. Rods respond to particular wavelengths (colors), cones perceive light at low intensities
without color perception.
c. Cones are more sensitive to single photons of light than are rods.
d. Nocturnal animals have a high concentration of cones in their eyes and relatively few rods.
e. Humans have approximately equal numbers of rods and cones, but the cones are primarily
localized in the fovea.


A

Biology & Microbiology

You might also like to view...

As a visitor to a country in which cholera is an endemic disease, what specific steps would you take to reduce your risk of cholera exposure? Will these precautions also prevent you from contracting other waterborne diseases? If so, which ones?

Identify waterborne diseases for which your precautions may not prevent infection. What will be an ideal response?

Biology & Microbiology

In which soil would the banana tree do the poorest?

a. soil A b. soil B c. soil C d. It would do the same in all soil types.

Biology & Microbiology

Genetic drift is non-selective and therefore does not contribute to microevolution

a. True b. False

Biology & Microbiology

What happens when thyroid hormone binds to cells of brown adipose tissue?

a. mitochondria of brown adipose tissue cells carry out reactions that produce heat b. a shivering response for heat production by skeletal muscle c. the body stores more energy as fat d. a decrease in metabolic rate

Biology & Microbiology