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 Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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LIFESCI 7B · LS 7BGenetics, Evolution, and Ecology

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

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Principles of Mendelian inheritance and population genetics. Introduction to principles and mechanisms of evolution by natural selection, population, behavioral, and community ecology, and biodiversity, including major taxa and their evolutionary, ecological, and physiological relationships.

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Requisites

Official UCLA wording

Enforced requisite: course 7A.

BruinTree reads · Prerequisite

confidence 1.00 · from text
LIFESCI 7A

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Requires

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

LIFESCI 7B

  • LIFESCI 7ACell and Molecular Biology

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 7B122 more beyond

  • LIFESCI 7CPhysiology and Human Biology76 more beyond
    • LIFESCI 107Genetics28 more beyond
      • LIFESCI 192FUndergraduate Practicum in Life Sciencesanother path to it
    • LIFESCI 192FUndergraduate Practicum in Life Sciencesanother path to it
    • BIOENGR CM145Molecular Biotechnology for Engineers
    • NEUROSC M101ANeuroscience: From Molecules to Mind—Cellular and Systems Neuroscience24 more beyond
    • PSYCH M117ANeuroscience: From Molecules to Mind—Cellular and Systems Neuroscience2 more beyond
    • SOC GEN 105BProblems of Identity at Biology/Society Interface1 more beyond
    • C&S BIO M130Fundamentals of Digital Imaging and Image Processinganother path to it
    • CH ENGR CM145Molecular Biotechnology for Engineers2 more beyond
  • LIFESCI 7LIntroduction to Laboratory and Scientific Methodology
    • EE BIOL 120Evolution1 more beyond
      • EE BIOL 113AHerpetology1 more beyond
    • MCD BIO 114ALResearch Immersion Laboratory in Plant Molecular Biology and Biotechnology
    • MIMG 185AImmunology1 more beyond
      • MIMG 107Viral Pathogenesis
    • PHYSCI 124Molecular Biology of Aging
    • MCD BIO 125Undergraduate Molecular, Cell, and Developmental Biology Education Research
  • ANTHRO 124PHuman Behavioral Ecology
  • LIFESCI 192FUndergraduate Practicum in Life Sciences
  • C&S BIO M130Fundamentals of Digital Imaging and Image Processing
  • CH ENGR CM155Systems Biology: Intracellular Network Identification and Analysis
  • CHEM C132ACore Principles in Cell and Molecular Biology
  • EE BIOL 100Introduction to Ecology and Behavior5 more beyond
    • EE BIOL 100LIntroduction to Ecology and Behavior Laboratory
    • EE BIOL 122Ecology
      • EE BIOL 123AField Marine Ecologyanother path to it
    • EE BIOL 123AField Marine Ecology
    • EE BIOL 123BField Marine Ecology
    • EE BIOL 124AField Ecology
    • EE BIOL 124BField Ecology
    • EE BIOL C126Behavioral Ecology
    • EE BIOL 129Animal Behavior
  • ENVIRON M103Soil and Water Conservation
  • EPS SCI 116Paleontology
    • EE BIOL M145Advanced Paleontology
    • EPS SCI M118Advanced Paleontology
  • FOOD ST M157Food: Molecules, Microbes, Environment
  • GEOG M103Soil and Water Conservation
  • MCD BIO 100Introduction to Cell Biology2 more beyond
    • PHYSICS C187ABiological Physics I: Life at Rest
      • PHYSICS C187BBiological Physics II: Life in Motionanother path to it
    • MCD BIO C174AAdvanced Topics in Cell and Molecular Biology: Molecular Evolution
    • PHYSICS C187BBiological Physics II: Life in Motion
    • MCD BIO C174BAdvanced Topics in Cell and Molecular Biology: Molecular Biology of Cell Nucleus
    • PHYSICS C287ABiological Physics I: Life at Rest
    • MCD BIO C174DAdvanced Topics in Cell and Molecular Biology: Molecular Biology of Extracellular Matrix
    • PHYSICS C287BBiological Physics II: Life in Motion
    • MCD BIO C222AAdvanced Topics in Cell and Molecular Biology: Molecular Evolution
  • MIMG 100LMicrobiology Laboratory for Professional Schools
  • PHYSCI 111AFoundations in Physiological Science24 more beyond
    • NEURBIO M200FCellular Neurophysiology
    • NEURO M202Cellular Neurophysiology1 more beyond
      • NEURO M230Molecular and Cellular Mechanisms of Neural Integration
    • NEUROSC M119NVisual System
    • PSYCH M119NVisual System
    • PHYSCI 110How Cancer Co-Opts Normal Physiology
    • NEUROSC CM123Neurobiology of Sleep
    • PHYSCI 111BFoundations in Physiological Science21 more beyond
    • NEUROSC M145Neural Mechanisms Controlling Movement

149 courses list this as a requisite. Showing 60 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

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

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