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LIFESCI 40 · LS 40Statistics of Biological Systems

Life Sciences · 5 units · Undergraduate lower division (0-99)

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Designed for life sciences students. Introduction to statistics with emphasis on computer simulation of chance probabilities as replacement for traditional formula-based approach. Simulations allow for deeper understanding of statistical concepts, and are applicable to wider class of distributions and estimators. Students learn simple programming language to carry out statistical simulations, and apply them to classic problems of elementary statistics.

Letter grading.

When it runs

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Requisites

Official UCLA wording

Requisite: course 30A.

BruinTree reads · Prerequisite

confidence 1.00 · from text
LIFESCI 30A

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Requires

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

LIFESCI 40

  • LIFESCI 30AMathematics for Life Scientists

1 direct requisite. The whole upstream is here — 1 course over 1 level. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

LIFESCI 40

  • A&O SCI 112Climate Change Assessment
    • A&O SCI 121Climate Mitigation Solutions
  • C&S BIO 100Data Science and Statistics for Life Scientists
  • EE BIOL C172Advanced Statistics in Ecology and Evolutionary Biology
  • ENVIRON 134Environmental Economics with Data Analysis
  • MCD BIO 125Undergraduate Molecular, Cell, and Developmental Biology Education Research
  • MIMG 103BLAdvanced Research Analysis in Virology
  • NEURO C251Computational Neuroscience for Interdisciplinary Scientists
  • NEUROSC C151Computational Neuroscience for Interdisciplinary Scientists
  • C&S BIO M130Fundamentals of Digital Imaging and Image Processing
  • EE BIOL C202Advanced Statistics in Ecology and Evolutionary Biology
  • ENVIRON 175Programming with Big Environmental Datasets
    • A&O SCI 112Climate Change Assessmentanother path to it
  • MCD BIO M130Fundamentals of Digital Imaging and Image Processing
  • MIMG 109BLAdvanced Research Analysis in Microbiology
  • MCD BIO C142Design Principles of Biological Circuits
  • MIMG 180BScientific Analysis and Communication II
    • MIMG 196BResearch Apprenticeship II in Microbiology, Immunology, and Molecular Genetics
      • MIMG 180BScientific Analysis and Communication IIanother path to it

15 courses list this as a requisite. The whole downstream is here — 19 courses over 3 levels. Every course here opens its own tree.

  • Winter 2026
  • Spring 2026
  • Spring 2027

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