問題詳情
15. Compared to humans, cats have excellent night vision. Which of the following might contribute to theirability to see in the dark?
(A) cats have more kinds of cone photoreceptors
(B) cats have more kinds of rod photoreceptors than humans
(C) cats have more kinds of chromophores
(D) in cats, cone photoreceptors are concentrated in the fovea.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增