Question

The retina of the eye has rods and cones which play a crucial function in sight. Which statement explains how rods and cones work to help us see things? (1 point)
• Rods detect light; cones detect green, blue, and red light; and the brain combines the three colors.
• Cones detect light; rods detect color; and the brain decomposes the color into green, blue, and red.
• Rods detect light; cones detect color; and the brain decomposes the color into green, blue, and red.
• Cones detect light; rods detect green, blue, and red light; and the brain combines the three colors.

Answer 1

Rods detect light (especially in dim conditions) and cones detect color (three types most sensitive to red, green and blue); the brain combines signals from the three cone types to produce color vision. So the first statement is correct.