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Rottweiler

(Encyclopedia)Rottweiler rŏtˈwīlər [key], breed of sturdy working dog developed from a Roman cattle dog introduced into S Germany more than 1,900 years ago. It stands from 213⁄4 to 27 in. (55.3–68.6 cm) hig...

physiology

(Encyclopedia)physiology fĭzēŏlˈəjē [key], study of the normal functioning of animals and plants during life and of the activities by which life is maintained and transmitted. It is based fundamentally on the...

shipworm

(Encyclopedia)shipworm or teredo tĕrēˈdō [key], marine bivalve mollusk of the family Teredinidae, specialized for boring in wood. A shipworm is not a worm, but a greatly elongated clam. Its two shells, enclosin...

alpaca

(Encyclopedia)alpaca ălpăkˈə [key], partially domesticated South American mammal, Lama pacos, of the camel family. Genetic studies show that it is a descendant of the vicuña. Although the flesh is sometimes us...

clan

(Encyclopedia)clan, social group based on actual or alleged unilineal descent from a common ancestor. Such groups have been known in all parts of the world and include some that claim the parentage or special prote...

Chihuahua, breed of dog

(Encyclopedia)Chihuahua chəwäˈwə [key], a breed of small toy dog probably of Asian origin and introduced into Mexico by Spanish settlers. It stands about 5 in. (12.7 cm) high at the shoulder and weighs from 1 t...

clothes moth

(Encyclopedia)clothes moth, name for several species of moths of the family Tineidae, whose larvae feed on wool, furs, feathers, upholstery, and a variety of animal products. Clothes moths are of Old World origin. ...

apocalypse

(Encyclopedia)apocalypse əpŏkˈəlĭps [key] [Gr.,=uncovering], genre represented in early Jewish and in Christian literature in which the secrets of the heavenly world or of the world to come are revealed by ang...

harrow, in agriculture

(Encyclopedia)harrow, farm implement, consisting of a wooden or metal framework bearing metal disks, teeth, or sharp projecting points, called tines, which is dragged over plowed land to pulverize the clods of eart...

Grandin, Temple

(Encyclopedia)Grandin, Temple, 1947–, American animal scientist and industrial designer, b. Boston, grad. Franklin Pierce College (B.A., 1970), Arizona State Univ. (M.S., 1975), Univ. of Illinois (Ph.D., 1989). D...