Colleen and LaVonne are playing darts. Colleen throws her dart into the center of the target, and LaVonne throws his dart into the outer ring. If we compare this scenario to the process of vision, Colleen would have been likely to hit a , and LaVonne would have been likely to hit a .

Cone , Rod

Explanation:

Cone is the photo-receptor cell of the eye for seeing colors that have different color vision. They tend to work best in high level of light.It is present in center of the retina.

Rods are the photo-receptor part of the vision that allows a person to see at low level of light.It is placed around boundary of the retina.

According to the question, Colleen has hit the dart in the center of target which can be signified as cone in terms of vision whereas LaVonne has hit the dart in outer ring of target that can be compared with rods which is situated at boundary of the vision .

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