Blue Tarantulas. In a way itâs a shame that most people think of the standard Chile Rose Haired and the Curly Haired spiders when they think of tarantulas because many people think that all tarantulas are a boring brown color. Of course this couldnât be further from the truth and if you know what species to look [â¦]
Answer: The black dot in your eye is called a pupil, it contracts and widens to regulate the amount of light entering the eye. It is really just a hole in the center of yo â¦ ur eye that allows light to pass through, that is really it. + 6 others found this useful. Sharon Robinson.
The eye has many parts that must work together to produce clear vision: 1  The sclera, or white part of the eye, protects the eyeball. 2  The pupil, or black dot at the centre of the eye, is a hole through which light can enter the eye. 3  The iris, or coloured part of the eye, surrounds the pupil.