Cats can see in the dark because they have a special mirror-like layer of cells behind their retina called the tapetum lucidum. When light passes through the retina, it is reflected back through it by this layer of cells, and this provides additional stimulation to the retina's light receptors. Argument; conclusion: This provides additional ... light receptors. Nonargument Argument; conclusion: When light passes through ... by this layer of cells. Argument; conclusion: They have a special ... tapetum lucidum. Argument; conclusion: Cats can see in the dark.