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respiration

(Encyclopedia)CE5 Respiratory system respiration, process by which an organism exchanges gases with its environment. The term now refers to the overall process by which oxygen is abstracted from air and is tran...

rice

(Encyclopedia)rice, cereal grain (Oryza sativa) of the grass family (Graminae), probably native to the deltas of the great Asian rivers—the Ganges, the Chang (Yangtze), and the Tigris and Euphrates. The plant is ...

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...

embryo

(Encyclopedia)CE5 Development of the human embryo embryo ĕmˈbrēō [key], name for the developing young of an animal or plant. In its widest definition, the embryo is the young from the moment of fertilizatio...

English civil war

(Encyclopedia)English civil war, 1642–48, the conflict between King Charles I of England and a large body of his subjects, generally called the “parliamentarians,” that culminated in the defeat and execution ...

Saxony

(Encyclopedia)Saxony săkˈsənē [key], Ger. Sachsen, Fr. Saxe, state (1994 pop. 4,901,000), 7,078 sq mi (18,337 sq km), E central Germany. Dresden is the capital. In its current form, Saxony is a federal state of...

Bavaria

(Encyclopedia)Bavaria bəvârˈēə [key], Ger. Bayern, state, 27,239 sq mi (70,549 sq km), S Germany. Muni...

immunity

(Encyclopedia)immunity, ability of an organism to resist disease by identifying and destroying foreign substances or organisms. Although all animals have some immune capabilities, little is known about nonmammalian...

World War I

(Encyclopedia)World War I, 1914–18, also known as the Great War, conflict, chiefly in Europe, among most of the great Western powers. It was the largest war the world had yet seen. World War I and the resul...

Myanmar

(Encyclopedia)CE5 Myanmar bûrˈmə [key], officially Republic of the Union of Myanmar, republic (2021 est. ...