Marine biology is a field that provides knowledge about marine biology organisms of all kinds. I'm sure you've heard of marine  biologists. They are usually stereotyped as dolphin trainers, but this isn't always the case. There are so many jobs in marine biology that you may not even be able to look into all of them. Depending on what specific marine biology degree program you apply for, you could be doing completely different things. For one career, you may be counting marine biology organisms through a microscope, and in another you may be doing DNA sequencing. A degree in marine biology will provide and equip students with the best knowledge and skills about marine biology so that they can be prepared for the marine biology job market. The marine biology degree is for those who want to have a sturdy foundational base on which they can build their careers upon. The marine biology biology degree courses, when completed, will allow the students to know a set of general knowledge about marine biology and will be useful when they actually embark on their separate career post-graduation. If you are serious about marine biology, you could take biology at an online college and then take a specialty on an online graduate school. If you're interested in online programs, take a look at Online Marine Biology Degrees.