Nature has created us in such a way that we can perform all our tasks with the given organs. Evolution has taken care of the fact that our changing requirements are met by our capabilities. Cats are nocturnal animals that prey when darkness falls. They need to see both in daylight and in dark nights. A cat’s eye glows in the dark or at night so that it can see its ways around and can catch a rat or hunt for food. Whether you possess a pet cat or not, you have probably noticed how the eyes of cats gleam and shine in the dark and felt curious.
