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Biological Sciences / Marine Biology

Biological Sciences is the study of life and living organisms. Marine Biology is the study of life in the oceans and other marine bodies of water.

What Do Biologists Do?

After completing your fundamental courses in biological sciences and chemistry, you will be able to begin studying more advanced topics that are related to your area of interest within biology. These can include courses related to biomedical sciences, environmental sciences, microbiology, and marine biology.


After the basic required coursework is completed, students will begin to take such required courses such as:

  • BSC 445: Marine Biology: Marine Biology will introduce you to life in the oceans. After completing this course, you will understand how life under the sea is vastly different than you expected!
  • BSC 382: Microbial Ecology: This course will teach you about the relationship that microorganisms have within different ecological communities. You won’t believe how intricate the relationship between microbes and the environment is!
  • BSC 370: Genetics: Ever wonder how genetic disorders are inherited? After taking this course, you will have a better understanding of the regulation of gene expression and how changes in this can result in disease.

Degree Options

There are six Bachelor of Science (B.S.) in Biological Sciences and one B.S. in Marine Biology degrees available with this major.

More about this Major


Our graduates are working in many different areas, including, medicine, public health, environmental agencies, and education at all levels:

  • Agriculture or environmental fields
  • Public healthcare, pharmaceutical companies, community colleges
  • Local, state, federal government, or law enforcement
  • Zoos, museums, parks and nature centers

Take the Next Steps

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Visit our beautiful Hattiesburg or Gulf Park campuses. Seeing for yourself is a great way to get to know us better.

Apply to Southern Miss

Be aware of our deadlines, $40 application fee and other items on our checklist. Admission requirements vary for freshmen, transfers, prospective Honors College students and others.

Southern Miss undergraduate degrees are available online, at the Hattiesburg campus, at the Gulf Park campus, and/or through a hybrid delivery that includes both online and on-campus courses.