172 Zoology 410. Vertebrate Embryology (5) Development of representative types. Three lectures and two 3-hour labs a week. Prerequisites: Zool 212 or 405, or approval of instructor. 412. Histology (5) The study of vertebrate tissues, identification and association with the main organs emphasized. Three lectures and two 3-hour labs a week.Prerequisites: Zool 212 or 405, or approval of instructor. 420. Cell Physiology (5) Metabolic activitesof organisms on cellular level. Three lectures and two 3-hour labs a week. Prerequisite: A minimum of one year in Chemistry. 421, 422. Mammalian Physiology (5-5) A two-quarter study of vertebrate physiological processes on the organ level. Three lectures and two 3-hour labs a week. Prerequisites: Zool 211 and 212 or approval of instructor. A minimum of one year of Chemistry (preferably 311 series). Zool 422 cannot be taken without Zool 421. 423. Endocrinology (5) The study of the function of neural and hormonal mechanisms of biological control in animals, with emphasis on the human organism. Four lectures and one 3-hour lab a week. Prerequiste: Zool 420 or 421. 425. Radiation Biology (4) Training in the study of harmful effects of radiation and practical applications of radioactive tracer techniques to biological problems.* Prerequisites: Beginning courses in Chemistry and Physics. Two lectures and two 3-hour labs a week. 435. Animal Behavior (4) Principles and concepts of ethology emphasizing evolution of behavior and the role of behavior in adaptations of animals to their environment. Four lectures a week. Prerequisites: Zool 211 and 212 or approval of instructor. 440. General Ecology (4) The physical and biological factors which influence living things. Three lectures and one lab or field trip a week.* 445. Animal Ecology (4) Principles and concepts of the interrelations of animals and their environment. Three lectures and one 3-hour lab or field trip a week. Prerequisites: Zool 211 and 212 or approval of instructor. 447. Wildlife Ecology (4) Principles of wildlife ecology and the techniques of wildlife population analysis and manipulation. Three lectures and one 3-hour lab or field trip a week. Prerequisites: Zool 211 and 212 or approval of instructor. 448. Aquatic Ecology (4) The interaction of physical and biotic factors in aquatic communities, three lectures and one 3-hour lab or field trip a week. Prerequisites: Zool 211 and 212 or approval of instructor. 450. Parasitology (5) Internal parasites of man and domestic animals, their structure and biology. Three lectures and two 3-hour labs a week. Prerequisites: Zool 211 or approval of instructor. 455. Medical Entomology (4) The bionomics and control of arthropods affecting the health of man. Three lectures and one 3-hour lab a week. Prerequisite: Zool 211 and 212, or by permission of instructor. 460. Protozoology (5) Structure, taxonomy and biology of the one-celled animals. Three lectures and two 3-hour labs a week. Prerequisite: Zool 211 or by permission of instructor. 464. Entomology (4) Classification and biology of insects as well as their economic importance and control. Three lectures and one 3-hour lab a week. Prerequisite: Zool 211 or by permission of instructor. 465. Ichthyology (4) Classification, life histories and habits of fishes. Field trips required. Three lectures and one 3-hour lab a week. Prerequisite: Zool 212 or 405 or by permission of instructor. 466. Herpetology (4) Structure, classification, and biological relationships of amphibians and reptiles. Three lectures and one 3-hour lab a week. Prerequisite: Zool 212 or 405 or by permission of instructor. 467. Ornithology (4) The biology of birds with special emphasis on ecology and identification of the birds of Utah. Three lectures and one 3-hour lab or a field trip a week. Prerequisite: Zool 212 or 405 or by permission of instructor. 468. Mammalogy (5) An introduction to the mammals with special reference to species found in Utah. Four lectures and one 3-hour lab or field trip a week. Prerequisite: Zool 212 or 405 or approval of instructor. 474. Vertebrate Phylogeny (3) An introduction to some possible lines of descent for the major vertebrate groups. Three lectures a week. Prerequisite: Zool 212 or 405 or approval of instructor. 475. Man and the Primates (3) An introduction to fossil as well as living primates with an emphasis on possible evolutionary relationships. Three lectures a week. 480. Problems in Zoology (1-5) Prerequisites: Zool 211 and 212 or approval of instructor. 483. Readings in Zoology * (1-5) Prerequisites: Zool 211 and 212 or approval of instructor. (No more than 5 combined hours of Zool 480 and 483 may count toward the major.) 489. Cooperative Work Experience (1-5) Open to all students in the Zoology Department who meet the minimum Cooperative Work Experience requirements of the department. The course objective for each student will be developed by the student, the department, and a suitable employer providing the opportunity for an on-the-job experience. Evaluation of course participants will be shared by the employer, student, and the department. Grade and amount of credit will be determined by the department. 492. Short Courses, Workshops, Institutes and Special Programs (1 -6) In order to provide flexibility and to meet many different needs, a number of specific offerings are possible using this catalog number. When the number is used it will be accompanied by a brief and specific descriptive title. The specific title with the credit authorized for the particular offering will appear on the student transcript. 495. Field Zoology (1-3) Credit to be given in this course for study conducted on an extended, organized field trip under proper supervision. Prerequisites: Zool 211 and 212 or approval of instructor. 498. Research Design (2) A basic course in the design of scientific experiments and the application of the scientific method to same. Prerequisite: Minimum of two upper division Zoology classes. 499. Seminar (111) Prerequisites: Zool 211 and 212 or approval of instructor. * Zool 160 or equivalent is a prerequisite.