- Kingdom containing multicellular organisms having cells bound by a plasma membrane and organized into tissue and specialized tissue systems that permit them to either move about in search of food or to draw food toward themselves. Unable to make their own food within themselves, as photosynthetic plants do, they rely on consuming preformed food. They possess a nervous system with sensory and motor nerves, enabling them to receive environmental stimuli and to respond with specialized movements.
- Adult males of cattle, oxen, bison, camel, moose, walrus, whale, seal, rhinoceros, hippopotamus, giraffe, elephant, dolphin, and other animals.
- Refers to an ancient Greek style and period that begins around 480 BCE, when the Greek city-states defeated the Persian invaders, and ends around 323 BCE, with the death of Alexander the Great. It is characterized by the rebuilding of cities after the Persian wars, the flourishing of philosophy, drama, architecture, sculpture, painting, and the other arts. In the visual arts, it is known for the mastery of the human form and sophistication of architectural design.
- Pieces of metal stamped by government authority for use as money.
- Use to describe a design or part of one, as on coins, that is rendered in intaglio rather than in relief.
- Pure metallic element having symbol Ag and atomic number 47; a malleable, ductile, white metal with characteristic sheen, considered a precious metal. Silver is widely distributed throughout the world, occurring rarely as metallic silver (in Peru, Norway) but more often as silver-gold alloys and silver ore. Today silver is obtained as a byproduct in the refinement of gold, lead, copper, or zinc ores. Silver was smelted from the ore galena as early as 3800 BCE. As a pure metal, silver is second to gold in malleability and ductility, can be polished to a highly reflective surface, and used -- typically in an alloy -- in jewelry, coinage, photography, mirrors, electrical contacts, and tableware.
- Order containing around 180 species in two families of nocturnal raptorial birds with hooked beaks, strong talons, and soft plumage. All owls have the same general appearance, which is characterized by a flat face, small hooked beak, short tail, round wings, and large, forward-facing eyes. The bird became associated with Athena, the Greek goddess of wisdom and also owls became symbolic of intelligence because it was thought that they could forsee events. Also, because of their nocturnal existence and hooting sounds, owls have also been symbols associated with the occult. In the Middle Ages, the owl became a symbol of the darkness before the coming of Christ.
- Equilateral cross with arms bent at right angles, all in the same rotary direction, usually clockwise. It is an ancient symbol of prosperity and good fortune, widely distributed throughout the world; it is found on ancient Mesopotamian coinage, the Scandinavian god Thor's hammer (left-hand swastika), early Christian and Byzantine art, in medieval heraldry, in South and Central America among the Maya, and in North America, principally among the Navajo. The symbol was appropriated by German Nazis, and became their national symbol during this period; it is still used by some anti-Semitic organizations.
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