生物系提供了本科和研究生两级的学习课程。本科生可以选择生物学BS学位的四个浓度（生物学，细胞生物学，环境生物学或健康科学）。生物学是对生物的各个层面的研究，其范围从对分子结构和过程的研究到对不同生物之间复杂相互作用的研究。专注于环境生物学的学科采用跨学科方法来理解来自不同学科（例如生态学，物理学，化学和地质学）的概念和理论如何解释地球的生态系统并致力于解决许多环境问题。
Biology is the study of living organisms at all levels. Because of the complexity and amazing diversity of living organisms, biology is divided into a number of disciplines. The Department of Biology at Tennessee Tech provides all the tools and opportunities needed for the academic development of a professional in a wide range of careers within the biological sciences. Recent graduates have been employed within various government agencies including the U.S. Army Corps of Engineers, U.S. Environmental Protection Agency, Tennessee Valley Authority, National Park Service, and numerous state wildlife and fisheries agencies, park services, departments of health and the environment, and regulatory agencies. Additionally, many graduates go on to graduate and professional schools, such as medical, pharmacy, and physician assistant schools.