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side-necked turtle

(Encyclopedia)side-necked turtle, name for the long-necked turtle of the families Chelidae and Pelomedusidae, found only in the Southern Hemisphere. The neck in these two families is of a different structure from t...

trilobite

(Encyclopedia)CE5 Dorsal view of a trilobite trilobite trīˈləbītˌ [key], subphylum of the phylum Arthropoda that includes a large group of extinct marine animals that were abundant in the Paleozoic era. Th...

harbor seal

(Encyclopedia)harbor seal, most commonly seen seal of the Northern Hemisphere, Phoca vitulina. Harbor seals are found along coasts and in sheltered bays and harbors of North America, Europe, and NE Asia. They range...

angelfish

(Encyclopedia)angelfish, common name for certain members of the Pomacanthidae, a family of brightly colored reef-dwelling tropical fishes with compressed bodies and small mouths and teeth. They were formerly classi...

Cork, city, Ireland

(Encyclopedia)Cork, city, county town of Co. Cork, S Republic of Ireland, on the Lee River near its mouth on Cork Harbour. The oldest part of the town rests on an isl...

DDT

(Encyclopedia)DDT or 2,2-bis(p-chlorophenyl)-1,1,1,-trichloroethane, chlorinated hydrocarbon compound used as an insecticide. First introduced during the 1940s, it killed insects that spread disease and fed on crop...

chimaera

(Encyclopedia)chimaera kĭmērˈə [key], cartilaginous marine fish, related to the sharks. Also called ratfishes, chimaeras are found in temperate oceans throughout the world, mostly in deep water. They have large...

albatross

(Encyclopedia)albatross ălˈbətrôs [key], common name for sea birds of the order of tube-nosed swimmers (Procellariiformes), which includes petrels, shearwaters, and fulmars. The wandering albatross, Diomedea ex...

Salton Sea

(Encyclopedia)Salton Sea sôlˈtən [key], saline lake, 370 sq mi (958 sq km), northern part of the Imperial Valley, SE Calif.; 232 ft (71 m) below sea level. The area was anciently the northern part of the Gulf of...

Tupelo , city, United States

(Encyclopedia)Tupelo to͞oˈpĭlō, tyo͞o– [key], city (1990 pop. 30,685), seat of Lee co., NE Miss.; founded 1859, inc. 1870. It is the trade, processing, and shipping center for a cotton, grain, dairying, and ...