If you are a member of a team making a presentation, you will  have to understand what each member of the team is to contribute, and have at least one trial run to ensure that each contribution can be completed in an agreed time, that the different contributions are in an effective order and are well co-ordinated, and that the whole presentation runs smoothly and ends on time.

A  at a conference, or as part of a business meeting, is an opportunity for someone who is not giving a talk to present, for example, information about a new idea, a new procedure, or a new item of equipment, or to summarise work in progress.

A presentation is a special kind of talk, an exercise in persuasion involving one or more presenters, in which something new is presented to an audience for consideration. T

A talk or lecture, delivered before an audience, is an opportunity to do the following (choose several possible items): 

Although plagiarism essentially means copying somebody else’s work, in some situations it can be difficult to decide if plagiarism is involved.

Plagiarism  is considered to be an academic crime.

Academic work depends on the research and ideas of others, so it is vital to show which sources you have used in your work, in an acceptable manner.

The section Discussion links back to the introduction by comparing your results with the original purpose or hypothesis.  It may be necessary to refer to the relevant literature.

Introduction as a part of a scientific paper  should 

The function of an abstract is to help potential readers identify whether your report is relevant to their research interests. It should include the principal conclusions and be written in the same tenses as the main report.