three references must be included. 

how eutrophication influence zooplankton? the whole paper need to be summarized in a summary. ex: here are three influence that is the influence of eutrophication for zooplankton.  The research paper must be at minimum of 8 pages in length, 1.0 to 1.5-spaced, #11 or #12 font, include a summary, a review and/or critique of selected topics, and a references cited section. A minimum of three references must be included.