The graduate program provides research training in ecology and evolutionary biology with areas of strength in biological diversity, evolutionary history and mechanisms, community structure, ecological interactions, behavior, development and mathematical biology.

Ecology & Evolutionary Biology (PHD) at The University of Arizona Global
The Ecology & Evolutionary Biology (PHD) at The University of Arizona Global is a Full Time PhD program offered on the University of Arizona - Main - Tucson campus in United States of America. The program is delivered on campus in English and can be completed in 5 years. Students develop academic knowledge and practical skills that prepare them for future careers in this field. The next available intake starts on August 22, 2027.
About Ecology & Evolutionary Biology (PHD)
Requirements and Admission Criteria for Ecology & Evolutionary Biology (PHD) at The University of Arizona Global
Entry Requirements
Statement of purpose
Curriculum vitae
Transcripts
Three Letters of Recommendation
Any additional information that will strengthen the application.
Required English Proficiency Tests for International Students (please review the Graduate College's International Admission Requirements by Country: https://grad.arizona.edu/tools/intladmissionsreqs/)
Minimum TOEFL: 79 (internet based)
Minimum IELTS: Composite of 7 (no subject lower than 6)
For funding as a Teaching Assistant:
Minimum TOEFL speaking score: 24
Minimum total IELTS score: 7.5
Please see the Graduate College's policy about other acceptable English Proficiency credentials: https://grad.arizona.edu/admissions/requirements/international-applicants#english-proficiency
GREs are not required, but potential advisors may recommend.
Teaching and Research Assistantships
Graduate College Fellowship
UA and CONACyT Fellowship for Mexican Doctoral Students (https://grad.arizona.edu/funding/opportunities/ua-and-conacyt-fellowship-mexican-doctoral-students)
Please also see Graduate College website on Financial Resources (https://grad.arizona.edu/funding)
Domestic Applicants:
- Fall: December 1
International Applicants:
- Fall: December 1
International applicants will not be considered for conditional admission by this program.
4832
NRC Taxon(a) for this program: Ecology and Evolutionary Biology
English Requirements
- PTEMin 60
- IELTSMin 7
- TOEFLMin 79
English Program Requirements
Tuition and Fee Information for Ecology & Evolutionary Biology (PHD) at The University of Arizona Global
How to Apply for Ecology & Evolutionary Biology (PHD) at The University of Arizona Global
- International applicants to Arizona Online campus, Global Direct campus, or a Global Microcampus should choose the Distance Learner (DL) visa type in their Application Profile.
- International applicants to the Main campus must currently hold a US visa that permits incidental study.
- Please verify your visa eligibility with International Student Services before applying. The application fee is non-refundable and will not be refunded if your visa status is not eligible.
- Applicants must meet all Graduate College minimum admission requirements, including English proficiency.
- Applicants should be prepared to submit copies of their visa documents, additional transcripts, or degree documentation if requested.
- University of Arizona regulations require that all international students on non-immigrant visas carry the University of Arizona student health insurance plan.
United States of America, Tucson