Part 1 of Essay
Biological scientists study living organisms and their relationship to their environment. Most specialize in some area such as ornithology (the study of birds) or microbiology (the study of microscopic organisms). About two-fifths of all biological scientists work in research and development. Some conduct basic resear ....

Part 2 of Essay
.... scientists work in management or administration. They may plan and administer programs for testing foods and drugs, for example, or direct activities at zoos or botanical gardens. Some work as consultants to business firms or to government, while others test and inspect foods, drugs, and other products or write for technical publications. some work in sales and service jobs for companies manufacturing chemicals or other technical products. Advances in basic biological knowledge, especially at the genet ....