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Biology: Organismal Biology Emphasis

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Biology: Organismal Biology Emphasis

Bachelor of Science

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Major Details

College: College of Science
Admissions Requirements:

No Additional Requirements

Math Required:


    This strand involves skill and facility with calculus. The S-strand begins at one of two calculus options - MATH 124 (Calculus I with Applications) or MATH 125 (Calculus I). Students who successfully complete the S-strand may continue on to MATH 129 (Calculus II), MATH 223 (Vector Calculus), or beyond. Those who choose but are not ready to begin the S-strand will be required to take preparatory work.
Second Language Required:

2 Semesters

  • Scoring the equivalent of second-semester skill level on an entrance or placement examination administered by The University of Arizona.
  • Completion with a C or better of a second semester course at the post-secondary level.
  • An AP (Advanced Placement), IB (International Baccalaureate) or CLEP (College Level Entrance Program) language score determined by the individual language department.
  • In the College of Engineering by a method determined within the College; however, all students in the college must also take a language placement examination on entrance to the University.
2 Semesters
Fees: No
Pre-Major: No

Four-Year Plan

Archived plans are available on Degree Search 2011-2017 for many degree plans. These are sample plans. Please work with your academic advisor for more specific and up-to-date requirements.

Select a year:

UA Course Requirements Units
1st Semester
ENGL 101 3
MATH 122 A 1
MATH 122B 4
MATH 122B 4
CHEM 151 4
Tier I General Education 3
2nd Semester
CHEM 152 4
ECOL 182R 3
ENGL 102 3
MATH 129 or MATH 263 3
ECOL 182L 1
3rd Semester
MCB 181R 3
CHEM 243A 1
CHEM 241A 3
Tier I General Education 3
MCB 181L 1
Second Language 4
4th Semester
CHEM 243B 1
PHYS 181 1
CHEM 241B 3
PHYS 102 3
Second Language 4
Lower Division Biology 3
5th Semester
ECOL 320 4
Tier I General Education 3
PHYS 182 1
PHYS 103 3
Major Elective (Physiology) 3
6th Semester
Tier II General Education 3
ECOL 335 4
BIOC 384 3
Major elective (Genetics) 3
Tier I General Education 3
7th Semester
Major elective (Cell or Molecular Biology) 3
Tier II General Education 3
ECOL 302 4
Major elective (Biology of Organisms) 4
Major elective (Ecology, Evolution & Behavior 3
8th Semester
Major elective (Cell or Molecular Biology) 3
Major elective (Ecology, Evolution & Behavior) 3
General elective 1
Major elective (Biology of Organisms) 4
Tier II General Education 3

AZ Transfer Pathways

This page is designed for in-state transfer students who plan to attend the University of Arizona. The information presented lists the most accurate course equivalencies and may not include all possible requirements. Transfer students are strongly encouraged to use this site for reference only and not for self-advising.

Transfer students should work with their community colleges and UA advisors to develop an individualized plan for transfer, and visit

  • All posted Pathways (except for Bachelor of Applied Science Pathways) fulfill an AGEC and most also fulfill an Associate Degree
  • Following a Pathway does not guarantee admission to the UA nor admission to a college/major/program at the UA
  • Use Pathways in consultation with advisors from your community college and the UA
  • Pathways are subject to change at any time

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