BS Ecology and Evolutionary Biology at Yale University

Programme overview

The Department of Ecology and Evolutionary Biology (EEB) offers broad education in the biological sciences, covering subject matter that ranges from molecules, cells, and organs through organisms to communities and ecosystems, and the evolutionary processes that shape them. The department offers a B.S. and a B.A. degree. The B.S. program is designed for students planning to pursue graduate study in ecology and evolutionary biology, other biological disciplines, environmental science, or to attend medical, dental, or veterinary school.

Faculty: Yale College | Duration: Thirty-six term courses in eight terms of enrollment (Yale College bachelor's degree) | Study mode: full-time | Location: New Haven, CT, United States

What you will study

Number of courses: B.S. —5½ course credits beyond prereqs (not incl senior req); B.A. —3½ course credits beyond prereqs (not incl senior req). Specific courses required: For both the B.A. and the B.S. degrees in Biodiversity and the Environment — EEB 2220 , EEB 2225 ; in Organismal Biology — EEB 2290 ; EEB 2295 or BENG 3200 ; MCDB 3000 or MB&B 3000 ; and EEB 2291L. Distribution of courses: For both the B.A. and the B.S. degrees in Biodiversity and the Environment —1 lecture course from EEB 2246 – 2272 with associated lab, or EEB 3326 and EEB 3327L ; Additionally for the B.S. —2 electives as specified. Senior requirement: B.S. —two terms of EEB 4475 and EEB 4476 , or EEB 4495 and EEB 4496

Career pathways

program is intended for students who are interested in ecology, evolution, and organismal diversity as part of a liberal education but do not intend to pursue graduate work in the discipline, or for students who are interested in a second major.

Official programme page

Application information

Entry requirements

Admission is to Yale College, not to this major (applies to all Yale College programmes). Yale College requires letters of recommendation, a school report with transcript, and ACT or SAT scores; applicants who are non-native English speakers without two or more years in an English-medium school must also submit an English proficiency test (TOEFL, IELTS, Cambridge English or Duolingo English Test). Major prerequisite: 13 or 14 courses for 10 credits, as specified.

USD 72,500 a year (2026-27). Yale College 2026-2027 tuition (single rate for all Yale College students). Excludes housing, food, optional health insurance, student activities fee and class dues. Source

First-year and transfer applicants apply to begin in the fall semester.

First-year applicants apply through the Common Application, the Coalition Application on SCOIR or the QuestBridge Application. Single-Choice Early Action deadline: November 1. QuestBridge National College Match deadline: November 1. Regular Decision deadline: January 2. Yale does not advantage students by program.

First-year and transfer applicants must include ACT or SAT scores (testing is required); neither exam is preferred.

Transfer applicants submit the Transfer Common Application by March 1 to enter as sophomores or juniors.

Graduate School of Arts and Sciences deadlines (all 11:59 pm Eastern) for fall 2027: December 1, 2026 (e.g. BBS, Chemistry, Economics, History, Linguistics, Psychology, Public Health, Statistics); December 15, 2026 (e.g. American Studies, Anthropology, Applied Physics, Biomedical Engineering, Computer Science PhD, Electrical & Computer Engineering, Law, Management, Mathematics, Mechanical Engineering, Physics, Political Science, Sociology); January 2, 2027 (e.g. African Studies, Applied and Computational Mathematics, Architecture, Computer Science MS, Earth and Planetary Sciences, East Asian Studies, Nursing, Philosophy). Combined programs follow the earlier deadline or December 15.

The Graduate School of Arts and Sciences application fee for all degree-seeking applicants is US $105, non-refundable, payable by Visa, Mastercard, Discover or American Express; fee waivers can be requested until January 2.

GRE General Test requirements vary by GSAS program (required, optional or not accepted) for the 2026-2027 cycle.

Apply through the official page: https://admissions.yale.edu/apply

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