A research paper involves surveying a field of knowledge in order to find the best possible information in that field.
If all else fails, talk to the teacher. That means lopping off the last letter or so, and sticking on a "wild card" which says "this plus any variation of this", such as plural forms.
Tables and figures should be numbered consecutively throughout the text, and if there are a good number of them, then separate lists of tables and figures at the beginning of the paper may be expected.
You learn by trying. You must clearly reference all substantial information in your paper, whether fact or opinion. That's why they pay us such huge salaries narf. In the immortal words of Alfred E.
So OR can be used to build up a pool of likely hits desert or sweets or candy. If you send in your requests very early on, you will be have the necessary tools to complete your paper when you're finally ready to begin.