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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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EE BIOL 120Evolution

Ecology and Evolutionary Biology · 5 units · Undergraduate upper division (100-199)

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Not open for credit to students with credit for course 185. Designed for departmental majors specializing in environmental and population biology. Introduction to mechanics and processes of evolution, with emphasis on natural selection, population genetics, speciation, evolutionary rates, and patterns of adaptation.

P/NP or letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Requisites: Life Sciences 7A, 7B, 7C, 7L, Mathematics 3A and 3B (or 31A or Life Sciences 30B).

BruinTree reads · Prerequisite

confidence 1.00 · from UCLA’s structured data
all of
  • LIFESCI 7A
  • LIFESCI 7B
  • LIFESCI 7C
  • LIFESCI 7L
  • one of
    • MATH 31A
    • LIFESCI 30B
    • all of
      • MATH 3A
      • MATH 3B

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About EE BIOL 120. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

EE BIOL 120

  • LIFESCI 7ACell and Molecular Biology
  • MATH 3ACalculus for Life Sciences Students
    • MATH 1Precalculus
  • LIFESCI 7BGenetics, Evolution, and Ecology
    • LIFESCI 7ACell and Molecular Biologyanother path to it
  • MATH 3BCalculus for Life Sciences Students
    • MATH 3ACalculus for Life Sciences Studentsanother path to it
  • LIFESCI 7CPhysiology and Human Biology
    • LIFESCI 7BGenetics, Evolution, and Ecologyanother path to it
  • MATH 31ADifferential and Integral Calculus
    • MATH 1Precalculusanother path to it
  • LIFESCI 7LIntroduction to Laboratory and Scientific Methodology
    • LIFESCI 7BGenetics, Evolution, and Ecologyanother path to it
  • LIFESCI 30BMathematics for Life Scientists
    • LIFESCI 30AMathematics for Life Scientists

8 direct requisites. The whole upstream is here — 15 courses over 2 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 120

  • EE BIOL 113AHerpetology
    • EE BIOL 113ALHerpetology Laboratory
  • EE BIOL 184Evolution, Development, and Disease

2 courses list this as a requisite. The whole downstream is here — 3 courses over 2 levels. Every course here opens its own tree.

  • Fall 2025
  • Spring 2026
  • Summer 2026
  • Fall 2026
  • Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.