BIOL256
BIOLOGY OF SYMBIOSIS
- Department
- Biology
- Terms offered
- 12
- Data refreshed
- Jun 30, 2026
Description
This course focuses on the ecological and evolutionary aspects of symbioses, the intimate associations among different species that are ubiquitous in nature. Examples of symbioses include lichens, corals and pollination syndromes. Lectures introduce general theory regarding evolution and ecology of symbioses, and student-led discussions are based on close reading of primary research articles. Students write a review article on a specific symbiotic system.
Syllabi
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Offering history & forecast 2016–2026
2001 2026
| Year | Fall | Spring | Summer | Intersession |
|---|---|---|---|---|
| 2030 | 2030 Fall: 7% chance, medium confidence. Offered in 0 of 9 fall terms since 2018. | 2030 Spring: 54% chance, high confidence. Alternating-year pattern: Spring in 2020, 2022, 2024, 2026 (9 spring terms observed). | 2030 Summer: 7% chance, medium confidence. Offered in 0 of 9 summer terms since 2018. | 2030 Intersession: 8% chance, medium confidence. Offered in 0 of 6 intersession terms since 2020. |
| 2029 | 2029 Fall: 6% chance, medium confidence. Offered in 0 of 10 fall terms since 2017. | 2029 Spring: 43% chance, medium confidence. Offered in 6 of 10 spring terms since 2017. | 2029 Summer: 6% chance, medium confidence. Offered in 0 of 10 summer terms since 2017. | 2029 Intersession: 7% chance, medium confidence. Offered in 0 of 7 intersession terms since 2017. |
| 2028 | 2028 Fall: 5% chance, medium confidence. Offered in 0 of 11 fall terms since 2016. | 2028 Spring: 46% chance, medium confidence. Offered in 7 of 11 spring terms since 2016. | 2028 Summer: 5% chance, medium confidence. Offered in 0 of 11 summer terms since 2016. | 2028 Intersession: 7% chance, medium confidence. Offered in 0 of 7 intersession terms since 2017. |
| 2027 | 2027 Fall: 5% chance, high confidence. Offered in 0 of 12 fall terms since 2015. | 2027 Spring: 47% chance, medium confidence. Offered in 7 of 12 spring terms since 2015. | 2027 Summer: 5% chance, high confidence. Offered in 0 of 12 summer terms since 2015. | 2027 Intersession: 6% chance, medium confidence. Offered in 0 of 7 intersession terms since 2017. |
| 2026 | Not offered | 1 section | Not offered | No data for this term |
| 2025 | Not offered | Not offered | Not offered | Not offered |
| 2024 | Not offered | 1 section | Not offered | Not offered |
| 2023 | Not offered | Not offered | Not offered | Not offered |
| 2022 | Not offered | 1 section | Not offered | Not offered |
| 2021 | Not offered | 1 section | Not offered | Not offered |
| 2020 | Not offered | 1 section | Not offered | Not offered |
| 2019 | Not offered | Not offered | Not offered | No data for this term |
| 2018 | Not offered | Not offered | Not offered | No data for this term |
| 2017 | Not offered | 1 section | Not offered | Not offered |
| 2016 | Not offered | 1 section | Not offered | No data for this term |
Forecast Under 15% 15–39% 40–69% 70–89% 90%+ Not enough history
Fall Spring Summer Intersession Darker means more sections Not offered No data for term
Future estimates combine recent offering frequency with detected multi-year cycles. Hover a cell for confidence and evidence; low-confidence estimates are marked with ~.
Meeting times
Most recent first- Mon, Thu, 2:50 PM–4:05 PM Biological Sciences B355 2026
- Mon, Thu, 1:25 PM–2:40 PM Biological Sciences B124 202220082005
- Mon, Thu, 1:25 PM–2:40 PM ONLINE 2021
- Tue, Thu, 9:00 AM–10:15 AM Biological Sciences B355 202020122004
- Tue, Thu, 10:25 AM–11:40 AM Sackler Science Center J311 2001
| Term | Professor | Type | Credits | Enrollment | CRN |
|---|---|---|---|---|---|
| Spring 2026 | David S. Hibbett | Lecture | 1 | 12 of 12 enrolled | 34632 |
| Spring 2024 | David S. Hibbett | Lecture | 1 | 11 of 12 enrolled | 33293 |
| Spring 2022 | Dominique J. McCowan | Lecture | 1 | 12 of 12 enrolled | 30978 |
| Spring 2021 | David S. Hibbett | Online | 1 | 15 of 12 enrolled | 38003 |
| Spring 2020 | Alicia G. Knudson | Lecture | 1 | 12 of 12 enrolled | 38003 |
| Spring 2017 | David S. Hibbett | Lecture | 1 | 8 of 12 enrolled | 35097 |
| Spring 2016 | David S. Hibbett | Lecture | 1 | 10 of 12 enrolled | 35097 |
| Spring 2012 | David S. Hibbett | Lecture | 1 | 9 of 12 enrolled | 31798 |
| Spring 2008 | David S. Hibbett | Lecture | 1 | 11 of 12 enrolled | 36088 |
| Fall 2005 | David S. Hibbett | Lecture | 1 | 8 of 16 enrolled | 22294 |
| Fall 2004 | David S. Hibbett | Lecture | 1 | 8 of 16 enrolled | 22294 |
| Fall 2001 | David S. Hibbett | Lecture | 1 | 18 of 16 enrolled | 25491 |