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forestry

(Encyclopedia)forestry, the management of forest lands for wood, water, wildlife, forage, and recreation. Because the major economic importance of the forest lies in wood and wood products, forestry has been chiefl...

Platyhelminthes

(Encyclopedia)CE5 A. Planaria, representative of the phylum Platyhelminthes B. Internal anatomy of Planaria Platyhelminthes plătˌēhĕlmĭnˈthēz [key], phylum containing about 20,000 species of soft-bodied,...

endangered species

(Encyclopedia)endangered species, any plant or animal species whose ability to survive and reproduce has been jeopardized by human activities. In 1999 the U.S. government, in accordance with the U.S. Endangered Spe...

snake, in zoology

(Encyclopedia)snake, common name for an elongated, limbless reptile of the order Squamata, which also includes the xlizards. Most snakes live on the ground, but some are burrowers, arboreal, or aquatic; one group i...

Newfoundland and Labrador, province, Canada

(Encyclopedia)CE5 Newfoundland and Labrador nyo͞oˈfənlənd, nyo͞ofənlăndˈ; lăbˈrədôrˌ [key], province (2001 pop. 512,930), 156,185 sq mi (404,519 sq km), E Canada. The province consists of the island...

alcoholism

(Encyclopedia)alcoholism, 04/00 disease characterized by impaired control over the consumption of alcoholic beverages. Alcoholism is a serious problem worldwide; in the United States the wide availability of alcoho...

global warming

(Encyclopedia)global warming, the gradual increase of the temperature of the earth's lower atmosphere as a result of the increase in greenhouse gases since the Industrial Revolution. Global warming and its effects,...

health insurance

(Encyclopedia)health insurance, prepayment plan providing services or cash indemnities for medical care needed in times of illness or disability. It is effected by voluntary plans, either commercial or nonprofit, o...

Congo, Republic of the

(Encyclopedia)CE5 Congo, Republic of the, republic (2015 est. pop. 4,996,000), 132,046 sq mi (342,000 sq km), W central Africa; also known as the Congo Republic. Congo is bordered on the west by Gabon; on the no...

genetics

(Encyclopedia)genetics, scientific study of the mechanism of heredity. While Gregor Mendel first presented his findings on the statistical laws governing the transmission of certain traits from generation to genera...