Biology/Ecology Track
The Biology/Ecology Track of the Environmental Studies major provides students with a strong background in biology andecology, with emphasis on evolution, 
genetics, botany, population, and behavior. Students take a numberof required courses (A), complemented by electives from two tiers (B, C).
Required Courses
- 1 of 2 of the following: ANTH 361. Culture and Environment, POL SCI 332. Environmental and Energy Issues
- ENST 294. Introduction to Environmental Studies: Social Science
- BIO 381. Introduction to Ecology
- EPSC 201. Earth and the Environment
- MATH 131 AND 132. Calculus I and II
- CHEM 111 AND 112. General Chemistry I and II
- ENST 490. Senior Seminar
Tier 1 Electives (3 of the following)
- ANTH 307A Human Variation
- ANTH 3661 Primate Biology
- ANTH 4211 Paleothnobotany and Ethnobotany
- ANTH 362 Biological Human Behavior
- BIO 2960 Principles of Biology I
- BIO 349 Microbiology
- BIO 3501 Evolution
- BIO 372 Behavioral Ecology
- BIO 4170 Population Ecology
- BIO 4181 Population Genetics
- BIO 4182 Macroevolution
- BIO 4183 Molecular Evolution
- BIO 419 Community Ecology
- BIO 4193 Experimental Ecology Laboratory
- BIO 4202 Evolutionary Genetics
- EPSC 323 Biogeochemistry
Tier 2 Electives (4 of the following)
- ANTH 367 – Paleoanthropology
- ANTH 434 – Behavioral research at the Zoo
- ANTH 459 – Human Osteology
- BIOL 3110 – Vertebrate Structure Laboratory
- BIOL 347 – Darwin and Evolutionary Controversies
- ENST 370 – Biological Conservation
- BIOL 4023 – How Plants Work: Physiology, Growth, and Metabolism
- BIOL 404 – Laboratory of Neurophysiology
- BIOL/ENST 4193 – Experimental Ecology Laboratory
- CHEM ENG 345 – Pollution Abatement & Waste Management
- CHEM 251 OR CHEM 252 – Organic Chemistry I, II
- CIV ENG 253/ENST 422 – Pollution and Environmental Impact
- CIV ENG 352A − Water and Wastewater Treatment
- EPSC 310 − Geological Field Methods
- EPSc 385 - Earth History
- EPSC 400 – Topics in the Geosciences
- EPSC 407 − Remote Sensing
- ENST 380 – Applications in GIS
- ENST 413 – Introduction to Soil Science
- EPSC 446 − Stable Isotope Geochemistry
- EPSc 448 – Microbial Geochemistry
- EPSC 449/ENST 4491 – Microbes and the Environment
- EPSC 454 − Exploration and Environmental Geophysics
- EPSC 480 − Special Topics in Microbiology-Chemistry-Earth Science
- ENST 4980/EPSC 498 – Undergraduate Research Seminar (WI)
- ENST/HIST 3225 - Environmental History of Latin America
- ENST/BIO 373 Behavioral Ecology Lab
- ENST 335 − Introduction to Environmental Ethics
- ENST 539 - Interdisciplinary Environmental Clinic
- ENST 332/POL SCI − Environment and Energy Issues
- PSYCH 330 – Sensation and Perception
- PSYCH 3401 – Introduction to Biological Psychology
- Pathfinder 201 AND 202 (both courses necessary for one requirement)
NOTE: Students must make sure that while completing the major, that they also complete 18 units of upper-level coursework (300 or above).