A study of the historical development of evolutionary concepts, the evidence of evolution and the mechanisms involved in race formation and speciation. The roles of gene mutation, chromosomal aberrations, selection and other evolutionary factors are discussed. Three lectures per week. Scientific approach to identification and classification of locally occurring plants using taxonomic keys. Includes ferns, fern allies, conifers and flowering plants, with emphasis on the latter.
Field walks and plant collections required.
Two lectures and one three-hour laboratory per week. BIO 121 and CHEM 121. Basic principles of plant function. Investigative laboratory in plant physiology. Topics include water potential, transpiration, mineral nutrition, phloem transport, photosynthetic and respirational gas exchange, photosynthetic electron transfer, plant movements and plant hormones.