An introduction to marine and estuarine environments, designed primarily for the beginning marine science student. Lectures introduce the biological and ecological features of saltwater environments, with an emphasis on natural history of coastal animals and plants. Field and laboratory work with local marine habitats and life. Students must earn a C- or better in this course. Restrictions: Open only to MARS Majors and MARS Minors. Not open to students with credit for MARS 1100 or MARS 2201. Prerequisite: MATH 1100 with a grade of C or better (may be taken concurrently) OR MATH 2215 with a grade of C or better OR GNM 1126 with a grade of C or better OR GNM 2310 with a grade of C or better OR FRST 2310 with a grade of C or better OR AAF 260 OR APCM 55 OR S02 550 OR A02 24 OR 0000 TO 4999 Course Attribute 403. Corequisite: NONE