There are more rods than cones but many rods may synapse with one ganglion cell while only one cone synapses with one ganglion.Therefore,when light intensity drops at night,we can expect a lit city street scene to be
A)intense in color and very sharp.
B)more black-and-white but very sharp.
C)intense in color but grainy.
D)more black-and-white and grainy.
E)identical to the image formed of the street in daytime.

Question

Quizplus · Accepted Answer

Rods are more numerous and sensitive to low light, but they do not provide color vision and have lower spatial acuity, leading to a black-and-white and grainy perception at night.

There Are More Rods Than Cones but Many Rods May