Your friend Shelly suffers from myopia (nearsightedness). You remember from your physics class that concave lenses cause light waves to spread or diverge and that convex lenses cause light waves to converge. What type of corrective lenses would you suggest to your friend? (a) concave lenses, (b) convex lenses.

Each of the following statements is false. Correct each statement to make it true.

a. Photons are absorbed by rhodopsin in retinal ganglion cells.

Each of the following statements is false. Correct each statement to make it true.

b. Rods and cones are found in the fovea centralis.

Each of the following statements is false. Correct each statement to make it true.

c. In the dark, rods and cones produce action potentials.

A light hits your retina with a wavelength of 610 nm. Which cones will be stimulated, and what color will you perceive? Use the figure to help you answer.

Imagine that you are walking in the woods at night in very low light. A red flower and a green leaf are both reflecting the same total amount of light. Which would appear brighter to you and why? The image is provided for reference.