Eye
The figure below shows the distribution of receptor cells X (solid line) and Y (dashed line) in the retina.
Which of the following options from A to D chooses all the correct statement(s) from below?
A. X are usually located in the center of the retina.
B. X are less sensitive to light than Y.
C. “a”is the position of the blind spot.
D. is much higher in nocturnal (active in nighttime) animals than in diurnal (active in daytime) ones.
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1 solution
X is rod cell, and Y is cone cell. Con cells distinguish various wavelength of visible light. Rod cells is sensitive to light. Nocturnal animals have more rod cell.
