09/01/2026
A Step-by-Step Guide to Earning a Biology Degree
Choosing to pursue a biology degree starts with finding a program that aligns with your interests and long-term educational goals. No matter if you're drawn to molecular biology, ecology, genetics, health care, or environmental science, studying biology gives you the opportunity to explore how living organisms function and interact with the natural world.
As you explore how to get a biology degree, understanding the admissions process, program requirements, and available areas of study can help you decide which path best fits your interests.
What Is a Biology Degree?
A degree in biology focuses on the study of living organisms and the scientific principles that explain life. Students examine cells, genes, ecosystems, evolution, microbes, plants, animals, and the chemical processes that shape biological systems.
A Bachelor of Science in Biology usually places strong emphasis on scientific coursework, lab experience, and quantitative reasoning. Students often take classes in genetics, cell biology, microbiology, ecology, chemistry, and math.
A bachelor's degree in biology typically introduces students to the biological sciences and related natural sciences while helping them apply the scientific method to investigate biological questions. Students learn how to analyze data, test hypotheses, and communicate scientific findings clearly.
Step 1: Understand Admission Requirements
The first step in earning a bachelor’s degree in biology is reviewing the school’s admission process. Requirements vary by university, but most undergraduate programs require proof of high school completion or an equivalent credential.
Most undergraduate biology programs require applicants to have a high school diploma or equivalent, such as a GED. Depending on the institution, students may also need to submit transcripts and other required application materials.
Before applying, prospective students may want to gather official transcripts, transfer credit information (if applicable), basic personal and academic documents, and program-specific details from admissions or advising.
Students who have already completed college courses may also want to ask about transfer credit. Many institutions may allow eligible students to transfer qualifying credits toward the biology degree, which may affect the number of courses needed to complete the program.
Step 2: Choose a Biology Concentration
A biology major can look different depending on the program. Some students choose a broad general biology track, while others focus on health sciences, biotechnology, environmental topics, or molecular systems.
Depending on the program, students may have the opportunity to choose from several concentrations that align with their academic interests and future educational goals.
General Biology
This concentration offers a broad overview of the biological sciences. Students may study topics such as evolution, genetics, ecology, cell biology, and organismal biology.
Preprofessional Health Studies
This concentration may appeal to students interested in advanced study related to health care, medicine, veterinary medicine, or other professional schools. Students considering medical or health-related programs should carefully review each school’s prerequisite requirements.
Synthetic Biology
This concentration focuses on specialized areas such as genetic engineering and biological technologies. Students interested in biochemistry, biotechnology, or applied molecular systems may find this area especially relevant.
Step 3: Complete Core Biology Courses
Once enrolled, students begin completing the required coursework for the biology degree. These courses usually build from introductory science topics toward more specialized study.
Common courses in a biology bachelor’s program may include General Biology with Lab, General Chemistry with Lab, Organic Chemistry, Physics with Lab, Statistics, Genetics, Microbiology, Molecular Biology, Ecology, and Cell Biology.
Because biology depends heavily on evidence, students also learn how to interpret research, evaluate data, and use critical thinking to study living systems.
Step 4: Prepare for Lab Work and Experiments
Lab work is an important component of most biology degree programs. Through laboratory experiences, students learn how scientists conduct experiments, test hypotheses, collect data, and interpret results.
Depending on the college or university, laboratory courses may be offered in person, virtually, or through a combination of both formats. These experiences reinforce classroom concepts while helping students develop scientific reasoning, experimental techniques, and data analysis skills.
Lab courses often explore topics such as cell biology, genetics, microbiology, ecology, evolution, chemistry, and physics. Students may use microscopes, laboratory instruments, computer simulations, or field observations to investigate biological systems and apply scientific concepts in practical settings.
Students should expect laboratory work to require time, attention to detail, careful documentation, and adherence to established scientific procedures.
Step 5: Build Research and Data Skills
Students interested in biology often need more than classroom knowledge. Many biology careers and graduate programs value experience with research, data analysis, and scientific communication.
In a biology program, students may learn how to:
- Formulate scientific questions
- Apply biological principles
- Analyze data
- Conduct research
- Interpret experimental results
- Communicate findings in reports or presentations
A biology program may include a final capstone project involving the design, execution, and presentation of an original research study. This experience allows students to apply knowledge gained throughout the program while strengthening research and communication skills.
Step 6: Consider Graduate or Professional Programs
Some degree holders choose to continue into graduate programs or professional schools after completing a bachelor’s degree. This depends on the student’s goals and the field they want to pursue.
Students interested in medical fields, veterinary medicine, public health, biomedical sciences, or research-focused careers should review requirements early. Professional schools may require specific coursework in biology, chemistry, organic chemistry, physics, math, or other sciences.
Students interested in graduate study may also explore advanced areas such as Molecular biology, Microbiology, Biomedical sciences, Public health, Conservation biology, Ecology, and Genetics.
Because each graduate or professional program sets its own admission expectations, students should work with advisors to plan coursework carefully.
Step 7: Explore Possible Career Paths
A biology degree does not lead to one single career path. Instead, students may explore different areas depending on their interests, education level, and experience.
Biology graduates may look into the following careers or fields:
- Biological technician roles
- Environmental health and safety
- Biosecurity or biosafety support
- Laboratory support
- Public health
- Conservation
- Research assistance
- Health-related graduate education
- Science communication
- Environmental work
Some positions may be available with a bachelor’s degree, while others may require a graduate degree, professional school, certification, or additional experience. Students should review role requirements carefully and avoid assuming that a single degree alone meets all qualifications. Employment opportunities vary based on education, experience, geographic location, employer requirements, and other factors.
Moving Forward with Your Biology Degree
Earning a biology degree requires plenty of planning. Students should review degree requirements early, map courses across future terms, and confirm prerequisites before registration.
Helpful steps include meeting with an academic advisor, tracking required courses, planning around lab-heavy classes, and setting aside time for reading, experiments, and assignments. Students interested in professional schools or graduate programs should also begin researching requirements early in the program.
Whether your interests lie in biological sciences, health care, environmental science, conservation, biotechnology, or scientific research, understanding the steps involved in earning a biology degree can help you make informed decisions about your education. By exploring areas of specialization, planning your coursework thoughtfully, and taking advantage of available academic resources, you can build a strong foundation in the biological sciences while working toward your educational goals.