What best describes the vision of a vertebrate with lenses that were permanently fat and round, and retinas that were comprised entirely of cones, with no rods?
A)
They have poor acuity for objects at long distances, and have difficulty distinguishing colours.
B)
They have good acuity for objects at long distances, and easily distinguish colours.
C)
They have poor acuity for objects close up, and have difficulty distinguishing colours.
D)
They have good acuity for objects close up, and easily distinguish colours.
Answer: D