The course focuses on the dynamic character of the distribution of life on Earth as it is influenced by recent geological changes, climate changes and ecological disturbances. In addition, key biogeographical theories are presented. The course normally includes field work. PREREQ: GEOG 2147 or permission of the instructor. (lec 3) cr 3. Students may not retain credit for both GEOG 3147 and GEOG 3115. Lecture (3.00).