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.
Sample answer:Ecology is the study of interactionsof living organisms and theirenvironment.3. all organisms that live together andinteract with one another4. nonliving factors, like water, soil, andlight5. biotic6. biotic7. abiotic8.abiotic9. biotic10. abiotic11. 212. 513. 114. 415. 316.n ecosystem is made up of a community of organisms and the parts of the environment, such as temperature, soil, and water. 20. The ocean, the air, and all areas of Earth where life is are all parts of the level of organization. Directed Reading A SECTION: EVERYTHING IS CONNECTED 1. D2. Answers may vary.