BIOS S-1B Introduction to Organismic and Evolutionary Biology

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7-week session | CRN 33927

This course covers anatomy and physiology, as well as the origin of life and principles of evolution. Laboratory sections scheduled throughout the series allow students to reinforce concepts covered in lecture. BIOS S-1b is part of an introductory biology series (BIOS S-1a and BIOS S-1b) that fulfills the medical school admission requirement of two semesters of biology.

Course information
Class meetings

Mondays, Wednesdays, 8:30-11:30 am
Harvard Art Museums 0505

Required labs Wednesdays, 1-4 pm. Required sections Mondays, time to be arranged.

Start date

Monday, June 25


4 credits

Course tuition


Enrollment status

  • Limited to 160 students
    Registration Closed
  • Prerequisites

    High school biology, chemistry, and algebra. BIOS S-1a is not a prerequisite for BIOS S-1b. You may choose to take BIOS S-1b first, or concurrently with BIOS S-1a.


    Harvard College students see additional information.



    Casey J. Roehrig, PhD.

    Project Lead, HarvardX

    Kalmia Smith, PhD.

    Adjunct Assistant Professor, Massachusetts College of Pharmacy and Health Sciences