A study of insects and related arthropods, with special emphasis on the role of insects in natural and human-altered systems. Lecture topics also include environmental, physiological, medical, veterinary, and agricultural aspects of entomology. Life history, ecology, and behavior are studied through field trips and student projects. Functional morphology and taxonomy are examined through laboratory exercises and by assembling an insect collection. This course cannot be taken for credit by students who have already completed BIOL 200. Laboratory course. Prerequisite: BIOL 130.