It is expected that not all of the references will deal with your exact subject. The point is that you are examining the literature to extract bits and pieces from various sources and studies to better understand and update one specific topic. By looking at the basic published information and incorporating ancillary information from the most current literature you should be able to prepare a report which is completely up to date. The goal is to cover the topic with a well written paper, rather than a certain number of words or pages. But since several people will ask this anyway, we would expect the paper will take eight to ten pages of double spaced text with at least six referenced articles.
Graphics are fine to include, either original or copies from literature.
In fact tables or graphs generated from various studies are an excellent tool for a review paper. Students who do not take part in these activities will be at a disadvantage to students who do take part in discussions and activities. Lectures, labs, field trips and student presentations are integral to the course structure and exam questions will come from all these aspects. In case of missed lectures, labs, or field trips, handouts will be provided but student is responsible for getting class notes. For extenuating circumstances, call and leave message at 626-3324.