BI 223 : Principles of Biology: Populations

Transcript title

Principles of Bio: Populations



Grading mode

Standard letter grades

Total contact hours


Lecture hours


Lab hours



BI 221.

Course Description

Introduces fundamental biological concepts and theories about diversity, evolution, and ecology, specifically evolutionary relationship, transformation of energy and matter, information flow, and systems at a population level or above.

Course learning outcomes

1. Provide morphological, molecular and developmental evidence for the phylogenetic relationships among and between taxonomic groups illustrating the common ancestry of life.
2. Explain how evolutionary, developmental, and environmental processes influence the evolution of structures, functions, and behaviors that impact fitness.
3. Explain how evolutionary processes impact biodiversity.
4. Use mathematical models to describe how populations change through time in relation to biotic and abiotic factors.
5. Describe the interconnectedness of organisms and their environment at different temporal and spatial scales.
6. Describe how the structure and function of organisms influence ecosystems.
7. Construct models explaining flow of energy and cycling of matter in different ecosystems at human and geologic time scales.

Content outline

  1. Fossil evidence for evolution
  2. Using of morphology and embryonic developmental evidence to construct phylogenetic hypotheses
  3. Using molecular evidence to construct phylogentic hypotheses
  4. Population genetics and Hardy-Weinberg equilibrium model
  5. Allele frequency changes and mechanisms of evolution
  6. Natural selection
  7. Sexual selection
  8. Mechanisms of speciation
  9. Biodiversity and extinction through time
  10. Population growth models
  11. Species interactions
  12. Concepts of biologic community organization in space and time
  13. Biogeography of terrestrial and aquatic communities at global, regional, and local scale
  14. Trophic pyramids and energy flow through ecosystem
  15. Recycling of matter and nutrients including decomposition
  16. Bacterial metabolism and nitrogen cycling
  17. Carbon cycle at annual, decadal, and geologic time scales
  18. Climate change evidence, models, and predictions

Required materials

Required textbook (same for all three Principles of Biology courses), access to a computer with internet

General education/Related instruction lists

  • Science Lab

Outside of

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