How to Get a Marine Biology Internship. Many marine biology jobs are competitive, so getting a marine biology internship can help give you a leg up on the competition when you're applying for your first job (or even, another internship).
This means that schools are able to be much pickier about who they accept, and that even students with high test scores are being turned down for those with average scores and more real-world experience. Very few students make it into MBA programs with less than two years work experience.
For MBA applicants, if you already hold a GRE score, you may not need to take the GMAT in order to get into certain business schools. Similarly, if you are daunted by the GMAT and think the GRE might be easier for you, then you may have the choice of doing either test, depending on which programs you are targeting.