Biological Sciences (BIOS)

Subject Number Title Hours Catalog Description General Education Category
BIOS 100 Biology of Cells and Organisms 5 hours. Processes of cellular and organismic function: cell structure, respiration, photosynthesis, molecular genetics and development, structure and physiology of plants and animals. Lecture, laboratory, and discussion. Animals used in instruction. This course is intended for science majors. BIOS 100 and BIOS 101 may be taken in any order. Credit is not given for BIOS 104 if the student has credit in BIOS 100 or BIOS 101. Recommended backgroud: Credit in CHEM 112 is strongly recommended.  Natural World - With Lab course.
BIOS 101 Biology of Populations and Communities 5 hours. Species concepts, natural selection, phylogeny, models of population growth, transmission genetics, gene frequency, adaptation, interactions among species in a community, biomes and climate, ecosystem processes, and human impacts on the environment. Animals used in instruction. This course is intended for science majors. BIOS 100 and BIOS 101 may be taken in any order. Credit is not given for BIOS 104 if the student has credit in BIOS 100 or BIOS 101.  Natural World - With Lab course.
BIOS 104 Life Evolving 5 hours. Origin and diversity of life; genetics, evolution, ecology and ecosystems; energy flow; photosynthesis; human anatomy and physiology; development of biological ideas; and biology, biotechnology, and human society. Credit is not given for BIOS 104 if the student has credit in BIOS 100 or BIOS 101. Animals may be used in instruction. Intended for non-science majors.  Natural World - With Lab course.
BIOS 196 Biology Colloquium 2 hours. Combines in-class seminars with off-campus day and weekend field trips, with the goal of introducing students to different areas of the Biological Sciences, and alternate career options.Satisfactory/Unsatisfactory grading only. May be repeated up to 1 time(s). Field trips required at a nominal fee. Prerequisite(s): Major in biological sciences, biochemistry, or neuroscience.
BIOS 199 Introduction to Research 1 hour. An introduction to research for students interested in becoming biology majors. Credit is contingent on approval by the research supervisor of a written report that is also submitted to the Biology colloquium faculty adviser. Satisfactory/Unsatisfactory grading only. May be repeated. Prerequisite(s): Concurrent registration in BIOS 196 or approval of the department. 
BIOS 220 Mendelian and Molecular Genetics 3 hours. Principles of heredity and variation in phage, bacteria, fungi, plants, and animals. Basic molecular genetics, gene regulation, recombination, DNA replication, transcription, translation. Lecture and discussion. No credit may be applied toward the biological sciences major unless credit is also obtained for BIOS 221. Prerequisite(s): BIOS 100 and BIOS 101 and credit or concurrent registration in CHEM 232. 
BIOS 221 Genetics Laboratory 3 hours. Experiments and demonstrations of classical and molecular genetics using material from Drosophila, corn, rodents, bacteria, fungi, and viruses. Animals used in instruction. Prerequisite(s): Credit or concurrent registration in BIOS 220.
BIOS 222 Cell Biology 3 hours. Rationale of experiments that led to the current understanding of organelle biogenesis, cell transport, cell signaling, and the relation of cell structure to cell function. Lecture. Prerequisite(s): BIOS 100 and CHEM 112 and CHEM 114. Recommended background: CHEM 232.
BIOS 223 Cell Biology Laboratory 2 hours. Laboratory experience with modern methods in molecular biology and exploration of current research in cell biology. Prerequisite(s): Credit or concurrent registration in BIOS 222.
BIOS 230 Ecology and Evolution 3 hours. Concepts and models of population growth, species interactions, community ecology, and energy and nutrient flow in ecosystems. Genetic basis of evolutionary change through adaptation, natural selection, and other mechanisms. Prerequisite(s): BIOS 101.
BIOS 236 Animal Behavior 3 hours. Examine the proximate and ultimate causes of animal behavior; neural and hormonal mechanisms; diversity of behavior and their relationship to an organism's ecology and evolution. Prerequisite(s): BIOS 101.
BIOS 240 Homeostasis: The Physiology of Plants and Animals 3 hours. Basic concepts of physiological mechanisms that contribute to survival of multicellular organisms. Comparison of a variety of organisms. Prerequisite(s): BIOS 100 and BIOS 101.
BIOS 270 Animals Without Backbones: Invertebrate Zoology 4 hours. Classification and comparative structure, development, ecology and evolution of non-vertebrate animals. Lecture and demonstration. Animals used in instruction. Prerequisite(s): One year of biological sciences. 
BIOS 272 Comparative Vertebrate Anatomy and Physiology 5 hours. Morphology, function, and evolution of vertebrate organ systems. Animals used in instruction. Prerequisite(s): BIOS 100 and BIOS 101 or the equivalent. Recommended background: Junior standing. 
BIOS 286 The Biology of the Brain 3 hours. Survey of basic neurobiology. Brain structure, chemistry, development and control of behavior (sensation, movement, emotions, memory, cognition, sex). Prerequisite(s): BIOS 100 and BIOS 101; or consent of the instructor.
BIOS 294 Special Topics in Biological Sciences 1 TO 5 hours. Selected topics in the Biological Sciences. May be repeated. Students may register for more than one section per term.
BIOS 296 Directed Instruction 2 hours. Leadership opportunity for upper division students wishing to assist with the biology colloquium. Credit is contingent on approval of a written report describing leadership activities and experiences that is submitted to the department. Satisfactory/Unsatisfactory grading only. May be repeated. A maximum of 2 hours of credit may be applied toward the undergraduate major in biological sciences. Prerequisite(s): Approval of the department. 
BIOS 299 Honors Biology 1 hours. An additional hour of related work for students registered in another course in Biological Sciences. May be repeated. Prerequisite(s):  Membership in Honors College, or, for superior students, approval of the department; and registration in a Biological Sciences course (except BIOS 391 or BIOS 399) and consent of the instructor. Open only to freshmen, sophomores, and juniors. Honors course.
BIOS 313 Primate Evolution 4 hours. Paleontology and systematics of fossil primates, emphasizing the adaptive radiations of the major living groups. Same as ANTH 330.  
BIOS 320 Developmental Biology 3 hours. Principles governing growth and differentiation from the molecular to the organismic level. Prerequisite(s): BIOS 220. 
BIOS 321 Developmental Biology Laboratory 3 hours. Laboratory problems in developmental biology. Animals used in instruction. Prerequisite(s): Credit or concurrent registration in BIOS 320. 
BIOS 322 Advanced Cell Biology 3 hours. Advanced topics in eukaryotic cell biology, with special emphases on structure-function analyses of the nuclear pore, chromosomes, and transcriptional regulation. Extensive computer use required. May not be taken concurrently with BIOS 222. Prerequisite(s): BIOS 220 and BIOS 221 and BIOS 222; and CHEM 232 and CHEM 233.
BIOS 325 Vertebrate Embryology 5 hours. Study of the anatomical changes occurring during vertebrate development and their underlying control mechanisms. A comparative approach is taken, examining the similarities and differences in embryonic development between amphibians, birds and mammals. Prerequisite(s): BIOS 220. 
BIOS 331 General Ecology Laboratory 3 hours. Field and laboratory data collection for hypothesis testing; required field trips to representative plant communities.   Animals used in instruction.  Required field trips on Saturdays.  Prerequesite(s):  BIOS 101.  
BIOS 335 History of Life 3 hours. A macroevolutionary perspective on documenting patterns of evolutionary change and understanding interactions between speciation and extinction in creating patterns of morphologic and taxonomic diversity. Prerequisite(s): BIOS 100 and BIOS 101.
BIOS 350 General Microbiology 3 hours. Ultrastructure, genetics, molecular biology, physiology and metabolism of microorganisms; role of microorganisms in food, water, agriculture, biotechnology, infectious diseases, and immunobiology. Prerequisite(s): BIOS 100; and credit or concurrent registration in CHEM 130 or CHEM 232.  Recommended background: BIOS 101.
BIOS 351 Microbiology Laboratory 2 hours. Laboratory experience with pure cultures and sterile techniques; methods of identification of unknown microorganisms; experiments demonstrating principles of microbial genetics, transformation, antibiotic sensitivity and resistance. Prerequisite(s): Credit or concurrent registration in BIOS 350. 
BIOS 352 Introductory Biochemistry 3 hours. Structure and function of cellular constituents; enzymology; metabolism of carbohydrates, lipids, amino acids, nucleotides; molecular biology of biosynthesis of proteins and nucleic acids. Same as CHEM 352. No credit toward the biological sciences major for students completing BIOS 452 and/or BIOS 454. No credit toward the degree in biochemistry. Prerequisite(s): BIOS 100 and CHEM 232. 
BIOS 360 Introduction to Paleontology 4 hours. The morphology, ecology, and relationships of fossil organisms. Basic principles of paleontology, including evolution, paleoecology and functional morphology. Same as EAES 360. Field trip required at a nominal fee. One day field trip to collect fossils. Prerequisite(s): EAES 101 or EAES 111; or BIOS 100 and BIOS 101. 
BIOS 386 Seminar on Neurobiology 2 hours. Reading and discussion of both classic and recent research papers that are important in neurobiology. Prerequisite(s): BIOS 286 or the equivalent. 
BIOS 391 Independent Study 1 hour. Individual study not covered in standard courses under close supervision of a faculty member. Credit is contingent on approval by research supervisor of a written report that is submitted to the department. Satisfactory/Unsatisfactory grading only. May be repeated. Students may register in more than one section per term. A maximum of 5 hours of BIOS 391 and/or BIOS 399 may be credited toward the department undergraduate major requirements. Prerequisite(s): Minimum of 2.00 grade point average in biological sciences courses and consent of the instructor. 
BIOS 398 Research Methods Workshop in Biological Sciences 1 hour. A workshop on modern research strategies and practices in biological sciences. Satisfactory/Unsatisfactory grading only. May not be repeated. Prerequisite(s): Credit or concurrent registration in BIOS 399.
BIOS 399 Independent Research 2 hours. Individual research. Credit is contingent on approval by the research supervisor of a written report that is submitted to the department. Satisfactory/Unsatisfactory grading only. May be repeated. Students may register in more than one section per term. A maximum of 5 hours of BIOS 391 and/or BIOS 399 may be credited toward the department undergraduate major requirements. Prerequisite(s): Minimum of 2.00 grade point average in biological sciences courses, approval of the department, and consent of the instructor. Recommended background: Junior standing. 
BIOS 416 Natural Products 3 OR 4 hours. Biogenetic approach to secondary metabolites. General principles and selected studies of phenolic compounds, terpenes, alkaloids, and other interesting natural products. Same as CHEM 456. 3 undergraduate hours. 4 graduate hours. Prerequisite(s): One year of organic chemistry. 
BIOS 424 Mammalian Histology 4 hours. The microscopic anatomy of tissues and organs in relation to their function. Prerequisite(s): BIOS 272 or BIOS 325. 
BIOS 429 Laboratory in Electron Microscopy 3 hours. Laboratory instruction in cell preparation and instrument operation in transmission and scanning electron microscopy. Satisfactory/Unsatisfactory grading only. Animals used in instruction. Prerequisite(s): Consent of the instructor. 
BIOS 430 Evolution 4 hours. Mechanisms of genetic and phenotypic stability and change in populations and species; modes of speciation and macroevolution; trends in evolution. Lecture and discussion. Prerequisite(s): BIOS 220. 
BIOS 431 Plant and Animal Interactions 3 hours. Ecology of non-symbiotic relationships of plants and animals, including protection mutualisms, pollination, seed dispersal, animal herbivory and plant defense. Prerequisite(s): BIOS 100 and BIOS 101 and any 200- or 300-level course in biological sciences.
BIOS 432 Restoration Ecology 3 hours. Philosophical, historical, and ecological basis for ecological restoration, with emphasis on readings in the primary literature and writing. Prerequisite(s): BIOS 230 or the equivalent. Recommended background: BIOS 331.
BIOS 433 Plant Diversity and Conservation 4 hours. Focus on seed-plant diversity: morphological features and family identification; major evolutionary process; evolutionary relationships among plant groups; and goals, problems, and progress in the conservation of plant diversity.  Prerequisite(s):  BIOS 230.  
BIOS 435 Plant Evolution 3 hours. Examines the history of plant life in a rigorous survey of plant genetics, factors that influence diversity of form and function, the astonishing diversity of plant sexual systems, and conservation. Prerequisite(s): BIOS 230; and junior standing or above.
BIOS 437 Topics in Tropical Ecology 3 hours. Introduction to the character of tropical ecosystems. In-depth reading and discussion of one or more current topics. Prerequisite(s): BIOS 230 and junior standing or above.
BIOS 443 Animal Physiological Systems 4 hours. Basic function of renal, respiratory and digestive systems. Integrative role of endocrine systems. Animals used in instruction. Prerequisite(s): Four courses in the Biological Sciences. 
BIOS 450 Advanced Microbiology 3 hours. Comprehensive analysis of metabolic, ecological, phylogenic, and cytological diversity among the major groups of eubacteria and archaeobacteria. Prerequisite(s): BIOS 350.
BIOS 452 Biochemistry I 4 hours. Chemistry of proteins, nucleic acids, carbohydrates and lipids. Same as CHEM 452. Prerequisite(s): Credit or concurrent registration in CHEM 234. 
BIOS 454 Biochemistry II 4 hours. Continues Biological Sciences 452. Carbohydrate and lipid metabolism, electron transport. Metabolism of amino acids, nucleic acids, proteins. Biosynthesis of macromolecules and regulation of macromolecular synthesis. Same as CHEM 454. Prerequisite(s): BIOS 452 or CHEM 452. 
BIOS 457 General Virology 4 hours. Nature of viruses, their morphology, chemical composition, assay, host-parasite interactions, and life cycles. Prerequisite(s): BIOS 220; and either BIOS 222 or BIOS 350. 
BIOS 458 Biotechnology and Drug Discovery 3 OR 4 hours. Molecular and gene therapy, using small molecules including antisense, aptamers, and proteins.  Structure-based drug design. Structural bioinformatics and drug discovery program. High-throughput screening. Combinatorial chemistry technology. Same as CHEM 458. 3 undergraduate hours. 4 graduate hours. Prerequisite(s): BIOS 352 or CHEM 352; or credit or concurrent registration in BIOS 452 or credit or concurrent registration in CHEM 452; or consent of the instructor.
BIOS 466 Principles of Paleontology 3 hours. Theory and methods of evolutionary paleobiology; includes paleoecology, functional morphology, and major features of organic evolution. Same as EAES 466. Prerequisite(s): EAES 360 or consent of the instructor. 
BIOS 475 Neural Engineering I: Introduction to Hybrid Neural Systems 3 OR 4 hours. Modeling and design of functional neural interfaces for in vivo and in vitro applications, electrodes and molecular coatings, neural prostheses and biopotential control of robotics. Same as BIOE 475. 3 undergraduate hours. 4 graduate hours. Prerequisite(s): BIOE 472; or consent of the instructor.
BIOS 483 Neuroanatomy 4 hours. Organization of the nervous system, with an emphasis on mammals. Same as PSCH 483 and NEUS 483. Animals used in instruction. Prerequisite(s): BIOS 272 or BIOS 286 or BIOS 325 or PSCH 262; or consent of the instructor. 
BIOS 484 Neuroscience I 3 hours. Neuroscience as an integrative discipline. Neuroanatomy of vertebrates, neural development, cellular neurobiology, action potential mechanisms, synaptic transmission and neuropharmacology.   Same as PHIL 484 and PSCH 484.  Prerequisite(s):  BIOS 286 or PSCH 262.
BIOS 485 Neuroscience II 3 hours. Integrative neuroscience; continuation of BIOS/PSCH/PHIL 484. Sensory and motor systems; learning, memory, and language. Pathology of nervous systems. Philosophical perspectives, and modeling.   Same as PHIL 485 and PSCH 485.  Prerequisite(s):  BIOS 484.
BIOS 486 Animal Behavior and Neuroethology 4 hours. Neural and behavioral mechanisms of environmental information processing and interaction throughout the animal kingdom; emphasis on invertebrate and lower vertebrates. Laboratory emphasizing individual research projects with a final report, and occasional field trips required. Animals used in instruction. Prerequisite(s): One advanced course in zoology and animal physiology. 
BIOS 488 Developmental Neurogenetics 3 hours. Classical and molecular genetic approaches to the study of the development of the nervous system, concentrating on studies in fruit flies, nematodes and vertebrates. Prerequisite(s): BIOS 220 and either BIOS 225 or BIOS 420. 
BIOS 489 Cellular Neurobiology Laboratory 3 hours. Recording from and analyzing the activity of nerve cells, neuronal networks, and other electrically excitable tissues. Prerequisite(s): BIOS 286 or the equivalent. 
BIOS 490 Topics in Ecology and Evolution 3 TO 4 hours. In-depth analysis of advanced topics in ecology and evolution, involving reading primary literature, term paper, student presentations and critical discussion. Credit varies according to topic offered. May be repeated. Students may register in more than one section per term. Prerequisite(s): Graduate standing or consent of the instructor.