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51Plant cell — Plant cells are eukaryotic cells that differ in several key respects from the cells of other eukaryotic organisms. Their distinctive features include: * A large central vacuole, a sap filled volume enclosed by a membrane known as the tonoplast JA …
52evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …
53Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …
54Washington, George — born Feb. 22, 1732, Westmoreland county, Va. died Dec. 14, 1799, Mount Vernon, Va., U.S. American Revolutionary commander in chief (1775–83) and first president of the U.S. (1789–97). Born into a wealthy family, he was educated privately. In 1752 …
55biological development — Introduction the progressive changes in size, shape, and function during the life of an organism by which its genetic potentials (genotype) are translated into functioning mature systems (phenotype). Most modern philosophical outlooks would …
