Dec 05, 2025

2025-2026 General Catalog

HELP

2025-2026 General Catalog

Biology with a Concentration in Ecology and Evolutionary Biology, BS, Sample Four-Year Plan

Freshman Year: 31 Units

Fall Semester (15 Units)

BIOL 130 - Diversity of Life Unit(s): 4
CHEM 115A - General Chemistry Unit(s): 5
ENGL 101 - Expository Writing and Analytical Reading Unit(s): 3
(Meets Lower Division GE Area 1A: English Composition)
Lower Division GE Area 1C: Oral Communication
Credits / Units: 3

Spring Semester (16 Units)

BIOL 131 - Genetics, Evolution & Ecology Unit(s): 4
(Meets Lower Division GE Area 5B + 5C)
CHEM 115B - General Chemistry Unit(s): 5
(Meets Lower Division GE Area 5A + 5C)
MATH 165 - Elementary Applied Statistics Unit(s): 4 OR
MATH 161 Differential and Integral Calculus I
Lower Division GE Area 1B: Critical Thinking
Credits / Units: 3

Sophomore Year: 31 Units

Fall Semester (16 Units)

BIOL 232 - Molecular and Cellular Biology Unit(s): 4
CHEM 335A - Organic Chemistry Unit(s): 3
Upper Division BIOL Elective Credits / Units: 3
Lower Division GE Area 3A: Arts
Credits / Units: 3
Lower Division GE Area 3B: Humanities
Credits / Units: 3

Spring Semester (15 Units)

BIOL 321 - Integrative Biology Unit(s): 4
(Meets Upper Division GE Area 5: Physical and Biological Sciences)
BIOL 390 - Biology Colloquium Unit(s): 1
CHEM 335B - Organic Chemistry Unit(s): 3
PHYS 209A - General Physics Laboratory Unit(s): 1
PHYS 210A - General Physics Unit(s): 3
University Elective Credits / Units: 3

Junior Year: 29 Units

Fall Semester (14 Units)

BIOL 333 - Ecology Unit(s): 4
BIOL 341 - Evolution Unit(s): 4
PHYS 210B - General Physics Unit(s): 3
Lower Division GE Area 4: Social and Behavioral Sciences

(Meets American Institutions requirement) Credits / Units: 3

Spring Semester (15 Units)

BIOL 390 - Biology Colloquium Unit(s): 1
Upper Division BIOL Elective Credits / Units: 4
Upper Division BIOL Elective Credits / Units: 4
Lower Division GE Area 4: Social and Behavioral Sciences
Credits / Units: 3
Lower Division GE Area 6: Ethnic Studies
Credits / Units: 3

Senior Year: 29 Units

Fall Semester (14 Units)

BIOL 322 - Invertebrate Biology Unit(s): 4
BIOL 496A - Thesis Research I Unit(s): 1-2
Upper Division GE Area 3: Arts and Humanities
Credits / Units: 3
University Elective Credits / Units: 3
University Elective Credits / Units: 3

Spring Semester (15 Units)

BIOL 496B - Thesis Research II Unit(s): 2-3
Upper Division GE Area 4: Social and Behavioral Sciences
Credits / Units: 3
Upper Division BIOL Elective Credits / Units: 4
University Elective Credits / Units: 3
University Elective Credits / Units: 3

Total Units: 120