5 page paper ( not including citation page) on anatomy and physiology of the eye ( vision). So talk about anatomy first and then the physiology of the eye, which is vision. ( add origin, connection to other organs/etc in body) Cite two internet sources. The introduction has to be great, it is a science paper so try to be scientific in your research and wording, very detailed.
2 internet sources
More than 2 textbook sources