University Catalog 2004-2005 George Mason University

Biology (BIOL)

Molecular and Microbiology

103 Introductory Biology I (4:3:3). Survey course suitable for any major. Topics include the chemistry of life, cell structure and function, heredity, evolution, and diversity of life and animal systems. Students who have already received 4 credits of biology are not eligible to take this course. f,sum

104 Introductory Biology II (4:3:3). Prerequisite: BIOL 103. Topics include human structure, function and homeostatic mechanisms, animal systems, behavior, plants, major ecosystems, and ecological problems. Students who have already received 8 credits of biology are not eligible to take this course. s,sum

124, 125 Human Anatomy and Physiology (4:3:3), (4:3:3). Must be taken in sequence. Does not satisfy the natural science requirement for the BA in the College of Arts and Sciences. Not available for biology major or minor credit. Students may not receive credit for BIOL 124 or 125. Introduction to structure and function of major organ systems of the body. f,s,sum

213 Cell Structure and Function (4:3:3). For science majors and preprofessionals in the life sciences. Introduction to the chemistry, metabolism, genetics, and evolution of cells. f,s,sum

225 Human Reproduction and Sexuality (3:3:0). Not available for biology major or minor credit. Examination of the anatomy and physiology of human reproductive systems, physiology of sexual intercourse, normal pregnancy, birth, congenital conditions, sex determination and its expression, diseases of the reproductive organs, and technical developments related to reproduction. f

246 Introductory Microbiology (3:3:0). Prerequisite: C or better in BIOL 124 and 125 or one year of general biology or permission of instructor. Corequisite: BIOL 306. Not available for biology major credit. Not available to students who have taken BIOL 213 or 418. Introduction to microbial cell structure, physiology, and pathogenicity. Emphasis on control of microorganisms, host-parasite interactions including immunology and viral and bacterial pathogens. f,s

301 Biology and Society (3:3:0). Prerequisites: BIOL 103 and 60 credits or permission of instructor. For nonscience majors. Not available for biology major or minor credit. Biological problems facing society, such as pollution, cloning, emerging diseases, global warming, and overpopulation. See the current Schedule of Classes for the current topic. May be repeated if the topic is different.

303 Animal Biology (4:3:3). Prerequisite: C or better in BIOL 213 or permission of instructor. Emphasizes structure and function of vertebrates, but surveys all animal groups and protozoa. Also covers evolutionary theory and evolutionary history of major animal groups. f,s,sum

304 Plant Biology (4:3:3). Prerequisite: C or better in BIOL 213 or permission of instructor. Introduction to the study of plants, their structure, development, nutrition, and ecology. Emphasizes flowering plants, but surveys all groups and their phylogenetic relationships. f,s,sum

305 Biology of Microorganisms (3:3:0). Prerequisite: C or better in BIOL 213, or permission of instructor. Corequisite: BIOL 306. Morphology, physiology, and pathogenicity of certain groups of bacteria, fungi, and viruses. Host-parasite interactions are stressed. f,s,sum

306 Biology of Microorganisms Laboratory (1:0:3). Corequisite: BIOL 246 or 305. Laboratory techniques in culturing, staining, and identifying microorganisms. f,s,sum

307 Ecology (4:3:3). Prerequisites: BIOL 303 and 304, or permission of instructor. Physical environment, energy flow, structure and function of populations, the dynamics of communities, and succession. f,s,sum

309/GEOL 309 Introduction to Oceanography (3:3:0). Prerequisites: GEOL 101 and BIOL 103 or 213, or permission of instructor. Introduction to chemical, biological, and geological aspects of the oceanic environment. f

311 General Genetics (4:3:3). Prerequisites: BIOL 213, 303, 304, 305, 306 all completed with no more than one D; or permission of instructor. Basic principles of heredity and modern developments in this field. f,s,sum

312 Biostatistics (4:3:2). Prerequisites: BIOL 303 and 304, or permission of instructor. Use of probability and descriptive and inferential statistical techniques in the interpretation of biological data. f

313 Human Genetics for the Social Sciences (3:3:0). Prerequisite: One year of biology or permission of instructor. Not available for biology credit. Emphasizes topics of interest to students in the social sciences but open to any non-biology major. Topics include the human genome and its inheritance; nature versus nurture; genetic disease; the genetics of sex-determination, intelligence, personality, and mental illness; genetic differences within and between populations; and evolution of human beings. s,odd

320 Comparative Chordate Anatomy (4:2:6). Prerequisite: BIOL 303 or permission of instructor. Comparison of anatomy and morphology of major chordate groups. Lab emphasizes shark, mudpuppy, cat, and rabbit. af

322 Developmental Biology (4:3:3). Prerequisites: BIOL 303 and 311, or permission of instructor. Principles of embryonic development and differentiation in animal species at the cellular, molecular, tissue, and whole organism levels. f

326 Animal Physiology (3:3:0). Prerequisites: BIOL 213, 303, and 60 credits. General consideration of animal function emphasizing common life problems and the methods for solving them. Topics include intercellular communication (nervous and endocrine), metabolism, water and solute balance, and cardiovascular and respiratory physiology.

327 Animal Physiology Laboratory (2:1:3). Prerequisites or corequisites: BIOL 326 and permission of instructor. Investigation of invertebrate and vertebrate physiology. Emphasis on responses to environmental changes.

331 Invertebrate Zoology (4:3:3). Prerequisite: BIOL 303 or permission of instructor. Survey of the invertebrate phyla, excluding insects, showing the morphology, phylogeny, and general biology of these groups. f

332 Insect Biology (4:3:3). Prerequisite: BIOL 303 or permission of instructor. Survey of insects including taxonomy, morphology, physiology, behavior, ecology, and economic importance. sum

333 Vertebrate Zoology (4:2:6). Prerequisite: BIOL 303 or permission of instructor. Phylogeny and systems of major vertebrate groups. Emphasis on ecological adaptation. Lab includes field studies of local fauna. s

342 Plant Morphology (4:3:3). Prerequisite: BIOL 304 or permission of instructor. Origin and development of organs, tissue systems, and life cycles of green plants, with phylogenetic comparisons from algae to angiosperms. f

344 Taxonomy of Flowering Plants (4:3:3). Prerequisite: BIOL 304 or permission of instructor. Study of terminology and identification of flowering plants with emphasis on local flora. s

345 Plant Communities (4:3:3). Prerequisite: BIOL 304 or permission of instructor. Plant associations and formations and their successions in North America. Three Saturday or Sunday field trips required. f

371 Animal Distributions (3:3:0). Prerequisites: BIOL 303 and 304, or permission of instructor. Relations of the North and South American faunas with other regions in the light of continental drift. Emphasis on vertebrates. s

377 Applied Ecology (3:3:0). Prerequisite:8 credits of biology, geology, or chemistry; 60 credits; or permission of instructor. Introduction to ecosystem concepts and their applications to natural and managed ecosystems.

385 Biotechnology and Genetic Engineering (3:3:0). Prerequisites: BIOL 311, CHEM 211, 212, MATH 110 or 113. Theory and applications are emphasized, including significance and societal implications of biotechnology applied to medicine, agriculture, and the environment.

401 Microbial Diversity: An Organismal Approach (3:3:0). Prerequisites: BIOL 305, 306, or permission of instructor. Study of the nonpathogenic microbial world, emphasizing detection, enumeration, and classification of microorganisms, their physiological and evolutionary relationships, and biotechnological applications.

402 Applied and Industrial Microbiology (3:3:0). Prerequisites: BIOL 213, 305, 306; CHEM 211, 212; or permission of instructor. Biology of microorganisms of ecological and industrial significance. Includes food production, spoilage and preservation, fermentation technology, waste disposal, water purification, biodeterioration, and decomposition.

403 Techniques in Applied and Industrial Microbiology (1:0:3). Prerequisites: BIOL 213, 305, 306; CHEM 211, 212. Prerequisite or corequisite: BIOL 402 or permission of instructor. Laboratory exercises illustrate basic and applied methodologies, including isolation of commercially useful strains. Production and purification of industrial products are discussed.

404 Medical Microbiology (3:3:0). Prerequisites: BIOL 305 and 306. Basic principles of infectious diseases caused by bacteria and viruses. The genetics and molecular mechanisms of pathogenicity are discussed.

411 Advanced General Genetics (3:3:0). Prerequisites: 2.0 or better in BIOL 311 or permission of instructor. Topics include quantitative genetics, extrachromosomal inheritance and special techniques such as mutation screening, developmental genetics, cancer genetics, behavior genetics, evolutionary genetics, and the ethics of genetic technology.

413 Human Genetics for Biologists (3:3:0). Prerequisites: BIOL 311 and permission of instructor. May not be combined with BIOL 572 for credit. Emphasizes topics of interest to students in the social sciences but open to any nonbiology major. Topics include the human genome and its inheritance; nature versus nurture; genetic disease; the genetics of sex-determination, intelligence, personality, and mental illness; genetic differences within and between populations; and evolution of human beings. s,odd.

418 Current Topics in Microbiology (3:3:0). Prerequisites: BIOL 305 and 306. Study of current topics in microbiology. Topics vary. May be repeated for credit.

425 Human Physiology (3:3:0). Prerequisite: BIOL 213, 303, or permission of instructor. Organ system approach to the study of homeostasis, including cardiovascular, respiratory, renal, digestive, endocrine, and nervous system functions. s

433 Selected Topics in Plant Biology (1-4:1-4:0-6). Prerequisite: BIOL 304 or permission of instructor. Lecture or field course in botany. Topic varies with instructor's specialty.

440 Field Biology (1-4:0-2:3-9). Prerequisites: BIOL 303, 304, and 60 credits, or permission of instructor. Directed field studies emphasizing ecology and behavior. Topics vary but include design of field manipulations, data collection and analysis, and an introduction to organisms of study site. Students bear the cost of required field trip(s). May be repeated once with permission of department chair. Total limit for 440, 495, and 497 is 6 credits toward the 44 credits required for the BS and only 4 credits toward the 32 credits for the BA, not to exceed 4 credits in any one semester.

446 Environmental Physiology (3:3:0). Prerequisite: BIOL 326 or permission of instructor. Physiological responses of animals to environmental factors and changes in the natural environment. Topics include biorhythms and adaptation to temperature, high pressure, and altitude. Emphasis on vertebrates.

449 Marine Ecology (3:3:0). Prerequisite: BIOL 307 or permission of instructor. Plants and animals of marine environments and physical and chemical conditions that affect their existence. as

451 Mushrooms, Molds, and Molecules (4:3:3). Prerequisites: BIOL 304, 305, 306, or permission of instructor. Study of fungal biology emphasizing those aspects having medical, environmental, economic, and biotechnological impacts. Laboratory emphasizes techniques for the experimental manipulation of fungi.

452 Immunology (3:3:0). Prerequisites: BIOL 213 and 305, 306, 311, or permission of instructor. Topics include structure and function of immunoglobulins, role of cell-mediated immunity, protective role of the immune system, and disease and injury related to malfunctions of the immune system. s

453 Immunology Laboratory (1:0:3). Prerequisite or corequisite: BIOL 452. Techniques relevant to BIOL 452, including enzyme-linked immunoabsorbant assay, immunodiffusion, protein electrophoresis, and immune fixation.

465 Histology (4:3:3). Prerequisites: BIOL 303 and 60credits, or permission of instructor. Microscopic structure of animal tissues and organs with emphasis on vertebrates. f

471 Evolution (3:3:0). Prerequisite: BIOL 311 or permission of instructor. Process of evolution with emphasis on the role of genetics, the properties of populations, and population differentiations. s

472 Introductory Animal Behavior (3:3:0). Prerequisites: BIOL 213, 303, or permission of instructor and 60 credits. Corequisite: BIOL 473. Study of the mechanisms, functions, and evolution of behavior.

473 Introductory Laboratory in Animal Behavior (1:0:3). Corequisite: BIOL 472. Field and/or laboratory study in animal behavior with emphasis on mechanisms, functions, and evolution of behavior. Stress is placed on experimental design and analysis of data. Writing-intensive lab.

482 Introduction to Molecular Genetics (3:3:0). Prerequisites: BIOL 213 and BIOL 305, 306, or permission of instructor. Basic concepts of the structure and function of genetic material at the molecular level.

483 General Biochemistry (4:4:0). Prerequisites: BIOL 213, CHEM 313, 314, or permission of instructor. Structure and function of proteins, carbohydrates, lipids, enzymology, and metabolism and its control. Chemistry of nitrogen compounds is emphasized.

484 Eukaryotic Cell Biology (3:3:0). Prerequisites: BIOL 311, 483, MATH 110 or 113, or permission of instructor. Structure and function of cell membranes and organelles with regard to cellular transport, sorting, compartmentalization, signaling, motility, and cell division.

485 Eukaryotic Cell Biology Laboratory (1:0:1). Corequisite: BIOL 484 or permission of instructor. Laboratory experiments utilizing cell biology techniques, including microscopy, spectrophotometry, centrifugation, chromatography, and electrophoresis.

492 Senior Seminar (1:1:0). Prerequisites: BIOL 307, BIOL 311, and 90 credits. Capstone course required of all biology majors for graduation. f,s

494 Honors Seminar in Biology (1:1:0). Prerequisites: Admission to Biology Department Honors Program and permission of instructor. Weekly seminar course dealing with recent advances in the field of biology. Topics are selected from recent publications in the field. May be repeated for credit six times. f,s

495 Directed Studies in Biology (1-2:0:0). Prerequisite: Permission of instructor and department chair. Study of a topic not otherwise available to the student. May involve any combination of reading assignments, tutorials, lectures, papers, presentations, or field or lab study, determined in consultation with the instructor. May be taken for 1 to 2 credits and repeated once for a total of 2 credits. Total limit for 440, 495, and 497 is 6 credits toward the 44 credits required for the BS and only 4 credits toward the 32 credits for the BA, not to exceed 4 credits in any one semester.

497 Special Problems in Biology (1-4:0:0). Prerequisites: 60 credits and permission of instructor and department chair. Lab or field project leading to a written report of research. Research and paper are completed under the instructor's guidance. Total limit for 440, 495, and 497 is 6 credits toward the 44 credits required for the BS and only 4 credits toward the 32 credits for the BA, not to exceed 4 credits in any one semester.

501 Microbial Diversity: An Organismal Approach (3:0:0). Prerequisite: Undergraduate course in microbiology or permission of the instructor. An in-depth study of the nonpathogenic microbial world, emphasizing the detection, enumeration, and classification of microorganisms and their physiological and evolutionary relationships and biotechnological applications.

506 Selected Topics in Microbiology (1-4:1-3:0-6). Prerequisites: BIOL 305, 306, or permission of instructor. Topic depends on instructor's specialty. May be repeated only with permission of department chair.

507 Selected Topics in Ecology (1-4:1-3:0-6). Prerequisite: Course in ecology or permission of instructor. Topic depends on instructor's specialty. May be repeated only with permission of department chair.

508 Selected Topics in Animal Biology (1-4:1-3:0-6). Prerequisite: BIOL 303 or permission of instructor. Topic depends on instructor's specialty. May be repeated only with permission of department chair.

515 Introduction to Neurobiology (2:2:0). Prerequisite: Completion of 60 credits, including PSYC 372; or BIOL 213 and BIOL 303. Introduction to neurobiology with an overview of the embryological development of the nervous system in an evolutionary context. Regional and systems neuroanatomy is introduced by study of the mammalian visual system with a comparative perspective.

516 Mammalian Neurobiology (3:2:3). Prerequisite: BIOL 515. Functional anatomy of the brains of mammals, with emphasis on regional and systems neuroanatomy of humans. Anatomy is correlated with material from clinical neurology where possible. Laboratory component includes brain dissections and clinical correlations.

518 Conservation Biology (3:3:0). Prerequisite: BIOL 307, 311, or equivalent. Introduction to the science used to identify species in need of conservation and the techniques currently employed to manage and protect organisms.

520 Systematics in Complex Angiosperm Families (3:1:6). Prerequisite: BIOL 344 or 534 or permission of instructor. Morphology and speciation of the more complex families such as Poaceae, Cyperaceae, and Asteraceae. Lab emphasizes identification of specimens and acquaintance with taxonomic literature.

532 Animal Behavior (3:3:0). Prerequisite: Permission of instructor. Ecological aspects of animal behavior.

533 Selected Topics in Plant Biology (1-4:1-3:0-6). Prerequisite: BIOL 304 or permission of instructor. Topic depends on instructor's specialty. May be repeated only with permission of department chair.

534 Advanced Plant Taxonomy (3:1:6). Prerequisite: Course in plant taxonomy or permission of instructor. Laboratories consist of field trips and collection and identification of specimens.

535 Ancient Plants and their Environment (3:3:0). Prerequisite: BIOL 304, a course in paleontology, or permission of instructor. Study of factors involved in the origin, history, and extinction of fossil plants, including adaptations, paleoecology, and major geological events.

536 Ichthyology (4:3:3). Prerequisite: Course in ecology or permission of instructor. Study of the systematics, evolution, physiology, ecology, and behavior of fish.

537 Ornithology (4:2:6). Prerequisite: Course in ecology or permission of instructor. Study of the evolution, systematics, physiology, ecology, and behavior of birds, emphasizing field work. as

538 Mammology (4:2:6). Prerequisite: Course in ecology or permission of instructor. Study of the evolution, systematics, physiology, ecology, and behavior of mammals, emphasizing field work. af

539 Herpetology (4:2:6). Prerequisite: Course in ecology or permission of instructor. Study of the evolution, systematics, physiology, ecology, and behavior of amphibians and reptiles, emphasizing field work. as

543 Tropical Ecosystems (4:3:3). Prerequisite: Course in ecology or permission of instructor. Terrestrial, aquatic, and marine ecosystems in the tropics, emphasizing plant communities, plant-animal interactions, and the role of humans in the tropics. Field trip to the tropics is required as part of lab.

546 Estuarine and Coastal Ecology (4:3:3). Prerequisite: Course in ecology and permission of instructor. Emphasizes marine biology of estuarine and coastal habitats of the Chesapeake Bay region and factors affecting distribution and abundance of organisms. Lab provides training in field measurement of physical and chemical parameters and collection and identification of local organisms. Extended field trips made to mid-Atlantic sites. sum

547 Terrestrial Plant Ecology (4:3:3). Prerequisite: Course in ecology. Consideration of community organization, development, productivity, and mineral cycling; interactions between plants and competitors; herbivores; and various environmental factors, especially light, water, and soil. Field work and lab emphasize data collection and statistical analysis.

551 Mushrooms, Molds, and Molecules (4:3:3). Prerequisites: BIOL 304, 305,or permission of instructor. Study of fungal biology emphasizing those aspects having medical, environmental, economic, and biotechnological impact. Laboratory emphasizes techniques for the experimental manipulation of fungi.

553 Advanced Topics in Immunology (3:3:0). Prerequisite: BIOL 452 or permission of instructor. Comprehensive study of immunologic mechanisms as they pertain to immunologic diseases and transplantation.

556 Microbial Physiology and Metabolism (3:3:0). Prerequisite: BIOL 305, 306, or permission of instructor. Comprehensive study of microorganisms covering aspects of growth, nutrition, transport, autotrophic and heterotrophic metabolism, regulation, and differentiation.

561 Comparative Animal Physiology (3:3:0). Prerequisite: BIOL 326 or permission of instructor. Detailed study of selected physiological systems of invertebrates and vertebrates, emphasizing current research.

563 Virology (3:3:0). Prerequisite: BIOL 482 or permission of instructor. Fundamental concepts of the nature of viruses, virus classification, cultivation, and biochemistry. Bacteriophage and animal viruses emphasized. f

568 Advanced Topics in Molecular Genetics (3:3:0). Prerequisite: BIOL 482 or permission of instructor. Comprehensive study of regulatory mechanisms controlling gene expression in viruses, prokaryotes, and eukaryotes, emphasizing current research.

572 Human Genetics (3:3:0). Prerequisite: BIOL 311 or permission of instructor. Inheritance of humans, emphasizing current problems, including genetic control of metabolic diseases, effects of radiation and chemical agents in the environment, and directed genetic change. af

573 Developmental Genetics (3:3:0). Prerequisite: BIOL 311 or permission of instructor. Genetic approaches to the problem of eukaryotic development, emphasizing current research on the regulation of gene enzyme systems.

574 Population Genetics (3:3:0). Prerequisites: BIOL 307 and 311, or permission of instructor. Genetic structure and dynamics of populations, both real and ideal. as

575 Selected Topics in Genetics (1-4:1-3:0-6). Prerequisite: BIOL 311 or permission of instructor. Different topics in different years. Topics include molecular, developmental, physiological, and classical genetics, emphasizing current problems and research. May be repeated once with permission of department chair.

576 Microbial Ecology of Soils (3:3:0). Prerequisites: BIOL 305, 306, or permission of instructor. The detection, identification, and physiological role of microorganisms in soils from the root zone to the deep subsurface. Emphasis on the interactions of the microorganisms (viruses through protists) and their functions in soil.

577 Biogeochemistry: A Global Perspective (3:3:0). Prerequisites: Introductory courses in ecology and chemistry, or permission of instructor. Structure and function of ecosystems, their interactions as components of landscapes, and their contributions to the global environment. Course emphasizes biogeochemical cycles of natural, disturbed, and managed ecosystems, and their integration at the landscape and global level as related to current ecological problems such as transfer of nonpoint source pollutants, atmospheric deposition, stratospheric ozone depletion, and global change.

578 Mutation, DNA Repair, and Environmental Contamination (3:3:0). Prerequisites: BIOL 307 and 311. Overview of the relationship between environmental contamination and genetic damage. Course covers the types of contamination that result in mutations and the molecular mechanisms of DNA damage and repair.

579 Molecular Evolution and Conservation Genetics (3:3:0). Prerequisite: BIOL 311. Corequisite: BIOL 471 or permission of instructor. Evolution of genes and gene families at the molecular level, including gene duplication and divergence, positive and negative selection, genetic drift, and molecular clocks. Also includes selected applications in conservation genetics, such as molecular phylogenetics and estimates of population size.

580 Computer Applications for the Life Sciences (3:3:0). Prerequisites: 12 credits of biology and one year of college mathematics or permission of instructor. Study of the uses of computers in the biological sciences. Lectures are combined with supervised exercises on mainframe and microcomputers. Each student presents a seminar on an advanced application and does a project using a computer to fulfill a major assignment associated with another course or with employment.

583 General Biochemistry (4:4:0). Prerequisites: BIOL 213, CHEM 313, 314, or permission of instructor. Structure and function of proteins, carbohydrates and lipids, enzymology, and metabolism and its controls. Chemistry of nitrogen compounds is emphasized.

584 Eukaryotic Cell Biology (3:3:0). Prerequisites: BIOL 311, 483, MATH 110 or 113, or permission of instructor. Structure and function of cell membranes and organelles with regard to cellular transport, sorting and compartmentalization, signaling, motility, and cell division.

585 Eukaryotic Cell Biology Laboratory (1:0:1). Corequisite: BIOL 584 or permission of instructor.

587 Soil Ecology (3:3:0). Prerequisite: Introductory course in general ecology or environmental science or permission of instructor. Introduction to the physical, chemical, and biological processes that govern the development of soils and their ecological functions. Emphasizes the central role that plants, microbes, and animals play in soil processes. Some training provided in the system of soil classification and the current methods used to study soils.

588 Global Changes in Climate and Ecology (3:3:0). Prerequisites: Introductory courses in general ecology or environmental science or permission of instructor. Focus on global-level changes that influence the ecology of our planet. Introduction to the climate systempast, present, and future. Emphasizes links between ecological systems and changes in climate, land use, and element cycling. Topics include the responses of forests and oceans to climate change, effects of elevated carbon dioxide on plants, effects of ultraviolet radiation on aquatic systems, salt marsh responses to sea level rise, global eutrophication, desertification, carbon sequestration, and public policy implications of the global change science.

589 Teaching Practicum (1:0:3). Prerequisites: Permission of instructor, chair, and course coordinator (if any). Experience teaching biology in the laboratory or in the field under the supervision of a faculty member. Undergraduate assists the instructor. May be repeated once.

608 Topics in Biology (1-4:1-4:0-9). Prerequisite: Employment or anticipated employment as a science teacher. Not available for credit toward the MS in Biology or the PhD in Environmental Science and Public Policy. An inservice course designed to strengthen and update a teacher's knowledge of biology. Topics include organismal biology, cell biology, ecology, microbiology, or genetics. May be repeated for credit with permission of department chair.

610 Bioremediation: Theory and Applications (3:3:0). Prerequisites: Course in microbiology and either organic chemistry or biochemistry, or permission of instructor. Provides the basis for understanding the proper application of bioremedial technologies to treatment for hazardous wastes. Includes evaluation of data to determine successful treatment.

611 Techniques in Environmental Microbiology (2:0:4). Prerequisite: A laboratory course in microbiology or permission of the instructor. Open first to those enrolled in BIOL 610. Laboratory exercises illustrate techniques used to demonstrate microbial degradation, detection of microbes, isolation, and evaluation of their physiological and genetic characteristics.

622 Methods and Principles of Animal Taxonomy (3:1:6). Prerequisite: Course in evolution or permission of instructor. Theoretical basis of techniques used in animal classification with emphasis on their practical application to a lab problem dealing with a particular animal group.

640 Environmental Biology (3:3:0). Prerequisite: Course in ecology or permission of instructor. Patterns of climate and weather, tectonics, soil formation, and surface water and groundwater movements. f

643 Microbial Ecology (4:3:3). Prerequisite: Course in microbiology or permission of instructor. Study of relationships between microorganisms and their natural environment, and methodology for observing their natural environment and biochemical activities in that environment. s, odd

648 Population Ecology (3:3:0). Prerequisite: Course in ecology or permission of instructor. Survey of ecological models and theory. Topics include population growth and regulation, competition, predator-prey relationships, and models of community structure. f

649 Biological Resource Management (3:3:0). Prerequisite: Course in ecology or permission of instructor. Modern ecological theories and methods applied to biological resource management in developing and developed countries. Problems in achieving optimum productivity of specific resources and application of systems analysis.

665 Environmental Hazards to Human Health (3:3:0). Prerequisites: Courses in animal physiology and organic chemistry, or permission of instructor. Health effects of chemical contaminants of air, water, and food resulting from industrialized society. Includes identifying, evaluating, and controlling hazards.

668 Advanced Techniques in Molecular Biology (4:2:6). Prerequisite: BIOL 568 or permission of instructor. Experimental studies using current methods for purification and characterization of biologically important compounds. Designed to provide training for research in molecular biology.

669 Pathogenic Microbiology (3:3:0). Prerequisites: Courses in microbiology and biochemistry. Molecular mechanisms of bacterial pathogenicity, and the immune response in infectious diseases.

670 Environmental Law for Biologists (3:3:0). Prerequisite: Course in ecology, environmental biology, or permission of instructor. Study of environmental laws such as the National Environmental Policy Act and regulatory issues such as the Clean Water and Clean Air acts. Emphasis on critical evaluation of alternatives to unresolved issues in environmental policies.

680 Experimental Design and Analysis for the Life Sciences (4:3:3). Prerequisite: Course in biostatistics or permission of instructor. Advanced course in application of probability and statistics to research in the life sciences. Examples drawn from environmental, medical, physiological, genetic, and chemical biology. s

690 Introduction to Graduate Studies in Biology (1:1:0). Required of all new MS students in biology. f

691 Current Topics in Biology (1-4:1-3:0-6). May be repeated for credit.

692 Seminar in Biology (1:1:0). Topics vary. May be repeated for credit.

693 Directed Studies in Biology (1-8:0:0). Prerequisites: Permission of instructor, chair, and student's graduate committee. May not be used to fulfill explicit undergraduate prerequisites for graduate work. Study of topic not otherwise available in graduate program. May involve any combination of reading assignments, tutorials, lectures, papers, presentations, or lab or field study, determined in consultation with instructor.

695 Seminar in Molecular, Microbial, and Cellular Biology (1:1:0). Review and discussion of recent literature in a specialized area. Includes student presentations. May be repeated for credit.

745 Environmental Toxicology (3:3:0). Prerequisites: Courses in ecology and physiology, or permission of instructor. Study of nature, distribution, and interaction of toxic chemicals released into the environment. Emphasizes effects on nonhuman biota, detection and fate of chemicals, and implications for government regulation.

793 Research in Biology (1-3:0:0). Prerequisites: 8 graduate credits in BIOL and permission of instructor and chair. Library, lab, or field investigation under supervisor's guidance. May be repeated for a total of 3 credits.

798 Master's Research Project (1-3:0:0). Prerequisites: Permission of instructor and department chair. Students who take BIOL 793 may receive no more than a total of 6 credits for both BIOL 793 and 798. Experimental or theoretical research project chosen and completed under the guidance of a graduate faculty member. Comprehensive report acceptable to the student's advisory committee is required. Graded S/NC.

799 Thesis (1-6:0:0). Prerequisites:8 graduate credits in BIOL and permission of instructor and department chair. Students who take BIOL 793 may receive no more than a total of 6 credits for both BIOL 793 and BIOL 799. Thesis research under direction of supervisor. Graded S/NC.

800 Studies for the Doctor of Philosophy in Education (variable credit). Prerequisite: Admission to the PhD in Education program to study in biology. Program of study designed by the student's discipline director and approved by student's doctoral committee. Students participate in research of discipline director and produces a paper reporting the original contributions of the student. Paper is presented in a subsequent PhD summer seminar. Enrollment may be repeated.

See EVPP, Environmental Science and Public Policy, for additional related course work.