May 03, 2026

2026-27 Undergraduate Catalog

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2026-27 Undergraduate Catalog

Biology Major

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(44 Hours)

*Special Topics in Biology (BIO 4476 ), Guided Independent Studies (BIO 4491 /BIO 4492 ) and Guided Independent Research (BIO 4493 , BIO 4494 ) may only be taken for a maximum of 6 semester hours.

General Studies Program: Specialized Requirements

All students are required to complete the Troy University General Studies Program requirements. The biology major requires the completion of 64 credit hours of General Studies. For all other General Studies requirements, students may select from courses approved within the General Studies Program.

Area III

BIO 1100 - Principles of Biology 3 Credit Hour(s)
BIO L100 - Principles of Biology Lab 1 Credit Hour(s)
CHM 1142 - General Chemistry I 3 Credit Hour(s)
CHM L142 - General Chemistry I Lab 1 Credit Hour(s)
MTH 1125 - Calculus I 4 Credit Hour(s)

Area V Requirements

BIO 1101 - Organismal Biology 3 Credit Hour(s)
BIO L101 - Organismal Biology Lab 1 Credit Hour(s)
CHM 1143 - General Chemistry II 3 Credit Hour(s)
CHM L143 - General Chemistry II Lab 1 Credit Hour(s)

Select one sequence:

PHY 2252 - General Physics I 3 Credit Hour(s)
PHY L252 - Physics I Lab 1 Credit Hour(s)
PHY 2253 - General Physics II 3 Credit Hour(s)
PHY L253 - Physics II Lab 1 Credit Hour(s)
OR
PHY 2262 - Physics I with Calculus 3 Credit Hour(s)
PHY L252 Physics I Lab 1 Credit Hour(s)
PHY 2263 - Physics II with Calculus 3 Credit Hour(s)
PHY L253 Physics II Lab 1 Credit Hour(s)

Major Requirements

BIO 2220 - Principles of Cell Biology 3 Credit Hour(s)
BIO 2229 - General Ecology 3 Credit Hour(s)
BIO L229 - General Ecology Lab 1 Credit Hour(s)
BIO 3320 - Genetics 3 Credit Hour(s)
BIO L320 - Genetics Lab 1 Credit Hour(s)
BIO 4484 - Senior Seminar in Biological & Environmental Sciences 1 Credit Hour(s)
CHM 3342 - Organic Chemistry I 3 Credit Hour(s)
CHM L342 - Organic Chemistry I Lab 1 Credit Hour(s)
STAT 2210 - Introductory Statistics 3 Credit Hour(s) OR BIO 3315 Introduction to Biostatistics 3 Credit Hour(s)
CHM 3343 - Organic Chemistry II 3 Credit Hour(s)
CHM L343 - Organic Chemistry II Lab 1 Credit Hour(s)
OR
CHM 3352 - Biochemistry 3 Credit Hour(s)
CHM L352 - Biochemistry Lab 1 Credit Hour(s)

Complete one botany course with its corresponding lab:

BIO 3325 - Plant Form and Function 3 Credit Hour(s)
BIO L325 - Plant Form and Function Lab 1 Credit Hour(s)
BIO 4425 - Field Botany 4 Credit Hour(s)

Complete one zoology course with its corresponding lab:

BIO 3307 - Invertebrate Zoology 3 Credit Hour(s)
BIO L307 - Invertebrate Zoology Lab 1 Credit Hour(s)
BIO 4405 - Entomology 4 Credit Hour(s)
BIO 4420 - Field Vertebrate Zoology 4 Credit Hour(s)
BIO 4447 - Ornithology 4 Credit Hour(s)
BIO 4471 - Parasitology 3 Credit Hour(s)
BIO L471 - Parasitology Lab 1 Credit Hour(s)

Complete one ecology/environmental course with its corresponding lab:

BIO 4413 - Limnology 3 Credit Hour(s)
BIO L413 - Limnology Lab 1 Credit Hour(s)
BIO 4416 - Microbial Ecology 3 Credit Hour(s)
BIO L416 - Microbial Ecology Lab 1 Credit Hour(s)
BIO 4421 - Population Ecology 3 Credit Hour(s)
BIO L421 - Population Ecology Lab 1 Credit Hour(s)
BIO 4479 - Environmental Assessment 3 Credit Hour(s)
BIO L479 - Environmental Assessment Lab 1 Credit Hour(s)

Complete one physiology/cell/molecular course with its corresponding lab:

BIO 3347 - Human Anatomy and Physiology I 3 Credit Hour(s)
BIO L347 - Human Anatomy and Physiology I Lab 1 Credit Hour(s)
BIO 3348 - Human Anatomy and Physiology II 3 Credit Hour(s)
BIO L348 - Human Anatomy and Physiology II Lab 1 Credit Hour(s)
BIO 3372 - Microbiology 3 Credit Hour(s)
BIO L372 - Microbiology Lab 1 Credit Hour(s)
BIO 3382 - Immunology 3 Credit Hour(s)
BIO L382 - Immunology Lab 1 Credit Hour(s)
BIO 3386 - Hematology 3 Credit Hour(s)
BIO L386 - Hematology Lab 1 Credit Hour(s)
BIO 4414 - Food Microbiology 3 Credit Hour(s)
BIO L414 - Food Microbiology Lab 1 Credit Hour(s)
BIO 4451 - Toxicology 3 Credit Hour(s)
BIO L451 - Toxicology Lab 1-3 Credit Hour(s)
BIO 4480 - Histology 3 Credit Hour(s)
BIO L480 - Histology Lab 1 Credit Hour(s)
BIO 4482 - Molecular Biology 3 Credit Hour(s)
BIO L482 - Molecular Biology Lab 1 Credit Hour(s)

Complete one upper-level adviser-approved biology course and its corresponding lab

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