By MICHAEL IP. Forty years ago, on March 29, 1973, the United States ended its military involvement in Vietnam. Although the war would continue another two years, the South Vietnamese would no longer receive American assistance.
Ecology (from Greek: Î¿á¼¶ÎºÎ¿Ï, house, or environment; -Î»Î¿Î³Î¯Î±, study of) is the scientific analysis and study of interactions among organisms and their environment. It is an interdisciplinary field that includes biology, geography, and Earth science.
Study of interaction of organisms with the physical environment and with one another. ucbiotech.org/glossary/ the study of the dynamic relationships of organisms to each other and the total environment. farahsouth.cgu.edu/dictionary/ the study of the relation of organisms or groups of organisms to each other and to their environment.