Biological Science Major

Biological Science (BIOS)

Admission Requirements

Biology From Molecules to Populations

 Build a Strong Foundation in Science

Gain the skills to create a solid foundation in the biological sciences with courses covering molecular biology and genetics, biochemistry, evolution, physiology, ecology and statistics.

 Gain Flexible, Hands-on Experience

Study in the lab or the field with internationally renowned researchers. Pursue an international exchange and/or add a minor in the arts, social sciences, sciences, or business to diversify your experiences and skills.

 Preparation For Diverse Career Paths

The skills gained in our Biological Science (BIOS) degree will prepare you for a diverse set of career pathways, connecting your interests to your goals for work or further studies.

Why Biological Science?

The Honours B.Sc. major in Biological Sciences is designed specifically to suit your interests and your career goals.

Biological Science allows you to explore, discover and understand biology from a variety of perspectives, from molecules to populations. You will examine living organisms, their evolution, interactions with other organisms and the ecosystems that they live and rely on. The many areas of study under the umbrella of biological science allow you to tailor the major to your interests.

If you're interested in studying Biological Sciences, you may also be interested in Animal Biology, Marine and Freshwater BiologyWildlife Biology and Conservation, Ecology, Environmental Sciences, or other majors.

BIOS Course Calendar

Amanda Reynolds
I chose this program beause I love all aspects of Biology, especially with structured courses for Biological Sciences in the first two years and the later years diving into Neuroscience and other electives.

Amanda Reynolds
Biological Science
Hear about Amanda's experience

Adam Lewandowski
I am so grateful for the unique academic opportunities I received as a result of being in the Biological Science major at U of G, as the experiences and courses I took ultimately shaped my path today.

Dr. Adam Lewandowski
Associate Professor of Cardiovascular Science, Biological Science Graduate

What Can You Do with a Degree in Biological Sciences?

The breadth of courses offered at the University of Guelph provides BIOS students with a unique opportunity to discover what fields of biology truly connect with their interests and professional goals. Our graduates are sought after for their skills and excel at problem-solving, critical thinking, communication and teamwork. They land careers in academia, human and animal medicine, government, and for-profit and not-for-profit industries.

Here are a few careers our graduates have successfully pursued: 

  • Bio-prospector 
  • Conservation biologist 
  • Public health
  • Medical sales
  • Professor
  • Health Product Research and Development


In 2021, more than $42.7 million in scholarships was awarded to U of G students. Learn more about applications, requirements and available Scholarships.

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