EE BIOL 122Ecology
Ecology and Evolutionary Biology · 4 units · Undergraduate upper division (100-199)
Highly recommended: Mathematics 31B, 32A. Designed for departmental majors specializing in environmental and population biology. Introduction to population and community ecology, with emphasis on growth and distributions of populations, interactions between species, and structure, dynamics, and functions of communities and ecosystems.
P/NP or letter grading.
When it runs
- Winter 2026
- Winter 2027
Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.
Requisites
Official UCLA wording
Requisites: course 100, Life Sciences 1 or 7B, Mathematics 3B or 31A or Life Sciences 30B.
BruinTree reads · Prerequisite
needs reviewconfidence 0.90 · from text- · "LIFESCI 1" is not in this catalog version
Requires
Everything that has to come before this course, not just the courses named in the requisite above.
EE BIOL 122
- EE BIOL 100Introduction to Ecology and Behavior
- LIFESCI 7BGenetics, Evolution, and Ecology
- LIFESCI 7ACell and Molecular Biology
- MATH 3BCalculus for Life Sciences Students
- MATH 3ACalculus for Life Sciences Students
- LIFESCI 30BMathematics for Life Scientists
- LIFESCI 30AMathematics for Life Scientists
- MATH 31ADifferential and Integral Calculus
- MATH 1Precalculus
5 direct requisites. The whole upstream is here — 11 courses over 3 levels. Every course here opens its own tree.
Unlocks
What this course is a requisite for, and what those courses lead to in turn.
EE BIOL 122
- EE BIOL 123AField Marine Ecology
- EE BIOL 123BField Marine Ecology
2 courses list this as a requisite. The whole downstream is here — 2 courses over 1 level. Every course here opens its own tree.