(Encyclopedia) box turtle, hard-shelled land turtle of the genus Terrapene, native to North America. Its lower shell, or plastron, has a hinge dividing it into front and rear sections; the animal can…
(Encyclopedia) silkworm, name for the larva of various species of moths, indigenous to Asia and Africa but now domesticated and raised for silk production throughout most of the temperate zone. The…
(Encyclopedia) pinworm, roundworm, Enterobius vermicularis, worldwide in distribution and the most common source of worm infestation of humans in the United States. Children are more commonly…
(Encyclopedia) ichneumon flyichneumon flyĭkn&oomacr;ˈmən [key], common name for a family of insects, related to the wasps, whose larvae are parasitic on many other insects. Over 3,000 species of…
(Encyclopedia) Fuller, R. Buckminster (Richard Buckminster Fuller), 1895–1983, American architect and engineer, b. Milton, Mass. Fuller devoted his life to the invention of revolutionary…
(Encyclopedia) land-grant colleges and universities, U.S. institutions benefiting from the provisions of the Morrill Act (1862), which gave to the states federal lands for the establishment of…
AztecHuitzilopochtli was the god of the sun and of war. He was the patron god of the Aztec capital of Tenochtitlán, where Mexico City now stands. The Aztecs built a great temple there in his honor…
AMPHIBIAWET FROGFROGSPAWNFIND OUT MOREAmphibians generally start life in water, but later change so that they can live on land. Most return to the water to mate. The life cycle involves…
