BSc (Hons) Biological Sciences

The Bachelor of Science (Hons) in Biological Sciences at Heriot-Watt University is a broad, multidisciplinary undergraduate degree that equips students with scientific knowledge and practical skills across plant, animal, environmental, cell, and molecular biology. It suits students aiming for careers in research, environmental science, biotechnology, conservation, public health, and related fields, combining laboratory work, field research, and analytical training. 

Curriculum structure

Year 1:
In the first year, students establish foundational understanding with units such as Introductory Biology 1 & 2, Practical Skills in Biology, Chemistry for the Life Sciences, and Mathematics for Scientists 1, which introduce core biological concepts, laboratory techniques, and quantitative reasoning. Students explore how living systems function from molecules to ecosystems, practicing basic experimental methods and scientific communication. This stage prepares them to analyse biological data, understand organismal diversity, and apply multidisciplinary thinking early in their studies.

Year 2:
The second year builds breadth and depth with subjects like Metabolism in Human Nutrition and Research Methods in Biology, emphasising biochemical processes, nutritional influences on health, and approaches to scientific investigation. Students also explore whole-organism biology including plant, animal, and microorganism systems, connecting structure, function, and ecological interactions. Fieldwork and practical labs further strengthen analytical and research skills as students prepare for specialist study. 

Year 3:
In the third year, the programme introduces specialisation and advanced topics such as Molecular Biology and Genetic Engineering, Microbes and Disease, and Environmental Biology, enabling students to examine the biological basis of health, disease, and ecosystems. These modules deepen understanding of genetic mechanisms, microbial roles, and environmental processes, while students refine laboratory techniques and data interpretation. This year fosters independent thinking and begins to shape research interests and potential career pathways. 

Year 4:
The final year focuses on synthesis and professional readiness, often including a Research Project where students apply accumulated knowledge to investigate a biological question. Advanced electives allow further specialisation — for example in plant science, zoology, or microbiology — and students consolidate their scientific expertise, communication skills, and problem-solving abilities. Capstone research and practical experience prepare graduates for employment or postgraduate study in scientific, environmental, or health-related sectors. 

Focus areas (in a string):
Ecology, zoology, plant science, microbiology, biochemistry, molecular biology, nutrition and metabolism, research methods, genetic engineering, environmental biology. 

Learning outcomes (in a string):
Develop foundational and specialised biological knowledge; perform and interpret laboratory and field research; apply quantitative and analytical skills; evaluate scientific information critically; communicate scientific ideas effectively; and address biological challenges in health and environmental contexts. 

Professional alignment (accreditation):
The BSc (Hons) in Biological Sciences is accredited by UK higher education quality frameworks and offered through Heriot-Watt University’s established academic structure, meeting recognised standards for biological science education in the UK.

Reputation (employability rankings):
Heriot-Watt University is globally ranked around #287 in the QS World University Rankings 2026, with strong institutional reputation, industry engagement, and graduate employability; biological sciences align with its multidisciplinary and research-focused education.