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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 Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.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 109LIntroduction to Marine Science Laboratory

Ecology and Evolutionary Biology · 4 units · Undergraduate upper division (100-199)

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Introduction to marine environments and methods used to study them. Exploration of variety of concepts in marine science, ranging from oceanography to behavior, primary productivity, and marine biodiversity, with emphasis on experimental design and scientific writing. To apply this course to the Biology upper-division major laboratory requirement, the corresponding lecture course must be completed with a passing grade.

Letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Requisites: course 109 (may be taken concurrently), Life Sciences 1 or 7B.

BruinTree reads · Prerequisite

needs reviewconfidence 0.90 · from text
all of
  • EE BIOL 109may be taken concurrently
  • one of
    • LIFESCI 1
    • LIFESCI 7B
  • · "LIFESCI 1" is not in this catalog version

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About EE BIOL 109L. 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 109L

  • EE BIOL 109Introduction to Marine Science
    • LIFESCI 7BGenetics, Evolution, and Ecologyanother path to it
  • LIFESCI 7BGenetics, Evolution, and Ecology
    • LIFESCI 7ACell and Molecular Biology

2 direct requisites. The whole upstream is here — 4 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.

No course in the catalog lists this as a requisite.

  • 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.