Ecology and Evolutionary Biology

An understanding of the origin and maintenance of diversity − from genomes to ecosystems − underlies all life sciences and is critical to the stewardship of life. Ecology and Evolutionary Biology offers courses in biological diversity, conservation biology, environmental biology, animal behaviour, physiological, population, and community ecology, global change biology, molecular evolution, and population and quantitative genetics. Concepts are taught using a broad array of approaches, including molecular studies, laboratory experiments, computer and mathematical modeling, and field studies. The department also offers opportunities for students to conduct research projects in the laboratory and the field.


Within the Faculty of Arts & Science, there is no single biology department. For more information, please see the Biology information page.


Admission Information

  • Students should apply to the Life Sciences admission category on the St. George campus, for which six Grade 12 U or M courses, including English and Calculus and Vectors are required
  • A senior high school credit in Biology is required preparation for first-year courses
  • Senior high school Chemistry is required for Ecology and Evolutionary Biology, Environmental Biology and Genome Biology
  • Students outside of Ontario should have the equivalent senior high school credits


Honours Bachelor Science Programs

  • Biodiversity and Conservation Biology (major)
  • Ecology and Evolutionary Biology (specialist and major options)
  • Environmental Biology (major and minor options)
  • Genome Biology (major)


First-Year Courses

  • BIO 120H1 – Adaptation and Biodiversity


Advice for First Year

  • The Ecology and Evolutionary Biology specialist and Genome Biology major require these courses in first year: BIO 120H1 – Adaptation and Biodiversity, BIO130H1 – Molecular and Cell Biology, introductory chemistry ( CHM 135H1 - Chemistry: Physical Principles and CHM 136H1 - Introductory Organic Chemistry), and introductory math (MAT 135H1 and 136H1 – Calculus I and II)
  • The EEB major requires BIO120H1, BIO130H1, and introductory chemistry.
  • The Biodiversity and Conservation Biology major requires BIO120H1 and introductory mathematics in first year.
  • The Environmental Biology major requires BIO120H1, introductory chemistry, introductory mathematics, and one of BIO130H1 or introductory physics; minor requires only BIO120H1 in first year.



Graduates of these programs may find employment in teaching, public service, non-governmental organizations, research, or industry. Students often continue their studies at the graduate level (MSc or PhD), a requirement for research and teaching at universities and colleges.


Direct career options include:
  • Laboratory and field research or policy in university, government, industry, or non-governmental organizations
  • Environmental assessment work for government or consulting firms
  • Teaching
  • Scientific writing or illustration


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