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grizzly bear

(Encyclopedia)grizzly bear or grizzly, large, powerful North American brown bear, characterized by gray-streaked, or grizzled, fur. Grizzlies are 6 to 8 ft (180–250 cm) long, stand 31⁄2 to 4 ft (105–120 cm) a...

lemming

(Encyclopedia)lemming, name for several species of mouselike rodents related to the voles. All live in arctic or northern regions, inhabiting tundra or open meadows. They frequently nest in underground burrows, par...

division of labor

(Encyclopedia)division of labor, in economics, the specialization of the functions and roles involved in production. Division of labor is closely tied with the standardization of production, the introduction and pe...

mastodon

(Encyclopedia)mastodon măsˈtədŏnˌ [key], name for a number of prehistoric mammals of the extinct genus Mammut, from which modern elephants are believed to have developed. The earliest known forms lived in the ...

Tryon, William

(Encyclopedia)Tryon, William, 1729–88, English colonial governor in North America. After a distinguished army career he was appointed (1764) lieutenant governor of North Carolina and succeeded (1765) Arthur Dobbs...

California, Gulf of

(Encyclopedia)California, Gulf of, or Sea of Cortés, arm of the Pacific Ocean, c.700 mi (1,130 km) long and 50 to 130 mi (80–209 km) wide, NW Mexico; separates Baja California from the Mexican mainland. The gulf...

Asunción

(Encyclopedia)Asunción äso͞onsyōˈn [key], city, S Paraguay, capital of Paraguay, on the Paraguay River. It is the principal port and chief industrial and cultural center of Paragua...

caribou, in zoology

(Encyclopedia)caribou, name in North America for the genus (Rangifer) of deer from which the Old World reindeer was originally domesticated. Caribou are found in arctic and subarctic regions. They are the only deer...

Canadian Shield

(Encyclopedia)Canadian Shield or Laurentian Plateau lôrĕnˈchən [key], U-shaped region of ancient rock, the nucleus of North America, stretching N from the Great Lakes to the Arctic Ocean. Covering more than hal...

Eight, the

(Encyclopedia)Eight, the, group of American artists in New York City, formed in 1908 to exhibit paintings. They were men of widely different tendencies, held together mainly by their common opposition to academism....