Environmental Biology Major

Program Requirements

  • Total units required: 58-65

Students interested in environmental biology typically take Biol 2950 Introduction to Environmental Biology during fall of the first year of study, although it may be taken later.

Required Courses

Biol 2950Introduction to Environmental Biology3
Biol 2960Principles of Biology I (lecture and lab)4
Biol 2970Principles of Biology II (lecture and lab)4
Biol 381Introduction to Ecology3
Chem 111AGeneral Chemistry I (lecture and lab)3
or Chem 105 Principles of General Chemistry I
Chem 112AGeneral Chemistry II3
or Chem 106 Principles of General Chemistry II
Chem 151General Chemistry Laboratory I2
Chem 152General Chemistry Laboratory II2
EEPS 201Earth and the Environment (lecture and lab)3-4
or EEPS 202 Introduction to Earth, Environmental, and Planetary Science
or EEPS 219 Energy and the Environment
or EnSt 250 One Health: Linking the Health of Humans, Animals, and the Environment
Math 131Calculus I3
Math 132Calculus II3
Physics 191Physics I3
or Physics 193 Focused Physics I
Physics 191LPhysics I Laboratory1
or Physics 193L Focused Physics I Laboratory
Total Units37-38

One of the following chemistry courses:

Chem 261Organic Chemistry I with Lab4
EEPS 323Biogeochemistry3
EECE 210Introduction to Environmental Engineering3
EECE 505Aquatic Chemistry3
EECE 531Environmental Organic Chemistry3
EEPS 441Introduction to Geochemistry3

One of the following courses in statistics or GIS:

CSE 131Introduction to Computer Science3
SDS 2200Elementary Probability and Statistics3
SDS 3200Elementary to Intermediate Statistics and Data Analysis3
EnSt 380Applications in GIS3

One upper-level biology lab course:

Any course that fulfills the advanced laboratory requirement of the biology major is acceptable; we recommend Biol 4193 Experimental Ecology Laboratory (4 credits, writing intensive).

One Biol 300+ courses in Areas A or B in Biology:

Biol 3057Physiological Control Systems3
Biol 3151Endocrinology3
Biol 324Human Genetics3
Biol 328Principles in Human Physiology4
Biol 334Cell Biology3
Biol 3411Principles of the Nervous System3
Biol 3371Eukaryotic Genomes4
Biol 3421Introduction to Neuroethology3
Biol 3422Genes, Brains, and Behavior3
Biol 3481Parasitology3
Biol 349Microbiology4
Biol 4023How Plants Work: Physiology, Growth, and Metabolism3
Biol 4030Biological Clocks3
Biol 4071Developmental Biology3
Biol 4072Regenerative and Stem Cell Biology3
Biol 424Immunology4
Biol 4242Virology3
Biol 451General Biochemistry4
Biol 4580Principles of Human Anatomy and Development3
Biol 4716Advanced Cancer Biology3
Biol 4715Basic Cancer Biology3
Biol 4810General Biochemistry I3
Biol 4820General Biochemistry II3

One of the following Biol 300+ courses (Area C in Biology):

Biol 3220Woody Plants of Missouri3
Biol 3501Evolution4
Biol 370Animal Behavior3
Biol 4181Population Genetics3
Biol 4182Macroevolution3
Biol 419Community Ecology3
Biol 4195Disease Ecology4
Biol 472Behavioral Ecology4

One additional Biol 300+ major-track course (may include Biol 500):

Please refer to the Biology Course Listings in this Bulletin.

One of the following EnSt or EEPS 300+ courses:

EEPS 317Soil Science3
EEPS 323Biogeochemistry (only if not already taken for chemistry requirement)3
EEPS 340Minerals, Rocks, Resources and the Environment4
EEPS 353Earth Forces4
EEPS 385Earth History3
EEPS 409Surface Processes3
EEPS 428Hydrology3
EEPS 442Aqueous Geochemistry3
EEPS 486Paleoclimatology3
EnSt 364Field Methods for Environmental Science3
EnSt 365Applied Conservation Biology3

Additional Information


Research opportunities are available during the student's first and second years through Biol 200; such opportunities are available during the third and fourth years through Biol 500. A research emphasis in the major requires at least 6 credits (two semesters) of Biol 500 research and an approved senior thesis on this research, which is presented at the undergraduate symposium. The research emphasis is acknowledged on the degree as a research milestone.

Senior Honors

Biology majors are encouraged to work for senior honors, which require a 3.30 grade point average in biology, a 3.30 GPA in nonbiological sciences (mathematics, chemistry and physics courses), and a 3.65 overall GPA at the time of graduation. Also required are 6 units of Biol 500 research and an approved thesis from this work, equivalent to the research emphasis described in the preceding paragraph. Students interested in senior honors should begin Biol 500 no later than the spring of their junior year.

The Department of Biology awards the Marian Smith Spector Prize to an undergraduate who has an excellent academic record and who submits an outstanding honors thesis; it also awards the Ralph S. Quatrano Prize to the student whose thesis shows the greatest evidence of creativity in design, research methodology and/or broader scientific implications. The Harrison D. Stalker Prize is awarded to a graduating senior whose college career is distinguished by scholarship, service and breadth of interest.

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