No Credit Students volunteer in positions as naturalists, outdoor teachers, land managers, research technicians, and community recyclers. Projects may serve Principia or other communities or outside agencies such as the Mark Twain National Wildlife Refuge. No Credit Provides students with the opportunity to gain experience in biology or environmental science in a setting outside the college. Must include a minimum of 150 hours of work. 5.0 Quarter Hours Introduction to fundamental ecological concepts as they apply to environmental situations.
Areas covered include how ecosystems function and the interrelation of people and the environment.
Designed for freshmen and sophomores. Study of basic plant functions of photosynthesis, respiration, growth, reproduction, and adaptation. Three recitation and two laboratory or field periods per week. Emphasis is given to invertebrates, although vertebrate groups are covered near the end of the course. Introduction to laboratory techniques and scientific writing are stressed.