Compared to humans, cats have excellent night vision. Which of the following might contribute to their ability to see in the dark?
A. In cats, cone photoreceptors are concentrated in the fovea.
B. Cats have more kinds of rod photoreceptors than humans.
C. Compared to the human eye, cats have more kinds of cone photoreceptors.
D. The lateral geniculate nucleus of a cat contains opponent color cells.
E. Cats have more kinds of chromophores.
Answer: B
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