Information is written/presented for different purposes - to inform, to persuade, to instruct, to entertain, etc. What is the purpose of your research?
Information is written/presented for different types of audiences - general, popular, juvenile, scholarly, professional. Who is the intended audience of your research?
Information is presented in different formats. As a student, this is usually determined by your teacher/instructor. Look at your assignment directions or grading rubric to find if there is an expected format.