Multiple Choice
Research on rods and cones has revealed that:
A) the center of the retina contains a mixture of about 75 percent rods and 25 percent cones.
B) there are about 120 to 125 million rods and about 7 or 8 million cones in the retina.
C) the outer edges of the retina, which are responsible for peripheral vision, contain only cones.
D) rods are more effective than cones in distinguishing different wavelengths of light.
Correct Answer:
Verified
Correct Answer:
Verified
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