BIOE 109Evolution
An examination of the history and mechanisms of evolutionary change. Topics include molecular evolution, natural and sexual selection, adaptation, speciation, biogeography, and macroevolution.
Prerequisites
Prerequisite(s): BIOL 20A, BIOE 20B, BIOE 20C, and BIOE 106 or BIOL 105.
- If you are taking the BIOE 20C prerequisite in Session 1, enroll in that course first, then email summer@ucsc.edu for a permission number to enroll in this course. Students enrolled in the BIOL 105 prerequisite during the 8-Week Summer Session are not eligible to enroll in BIOE 109 in Session 2.
- UCSC Students - If you have completed the prerequisites but receive an error message, contact the department for approval to enroll at eebadvising@ucsc.edu. Provide proof of prerequisite material.
- Visiting Students - The prerequisites review is waived in the summer. Contact summer@ucsc.edu for a permission number to enroll.
- Enrollment in the associated discussion is mandatory.
Find a section and add it to your scheduleLive seat counts, time-conflict checks and the walk from your previous class.
When it runs
Winter 2027Open Winter 2027
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Asynchronous | — | Staff | Open 0/112 |
Fall 2026Open Fall 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed 3:25pm–5:00pm | CoastBio 110 | S. H. Alonzo | Wait List 112/112 |
Summer 2026Open Summer 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | TBA | Online | J. L. Kelley | Open 96/100 |
Spring 2026Open Spring 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Tue Thu 9:50am–11:25am | Kresge Acad 3201 | G. Bernardi | Closed 133/128 |
Winter 2026Open Winter 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed 10:00am–11:35am | CoastBio 110 | J. L. Kelley | Open 111/112 |
Fall 2025Open Fall 2025
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed 1:25pm–3:00pm | CoastBio 110 | A. Macias-Muñoz | Open 74/112 |
Who teaches it
| Instructor | Rating | Difficulty | Would take again | Reviews |
|---|---|---|---|---|
| Suzanne Alonzo | 4.6 / 5 | 3.0 / 5 | 88% | 8 |
| Joanna Kelley | 2.4 / 5 | 3.2 / 5 | 21% | 13 |
| Giacomo Bernardi | 4.5 / 5 | 2.4 / 5 | 94% | 45 |
From RateMyProfessors, which is student-submitted and not a survey. Small review counts move a long way on one bad quarter.
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