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(Encyclopedia) Crow, indigenous people of North America whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languages) and who call themselves the Absaroka, or bird ...
(Encyclopedia) chloroplast klōrˈəplăstˌ, klôrˈ– [key], a complex, discrete green structure, or organelle, contained in the cytoplasm of plant cells. Chloroplasts are reponsible for the green color of almost...
(Encyclopedia) Willard, Emma, 1787–1870, American educator, pioneer in woman's education, b. Emma Hart in Berlin, Conn. She attended and later taught in the local academy and in 1807 took charge of the Female Acad...
(Encyclopedia) Colorado [1] kŏlərădˈə, –rădˈō, –räˈdō [2] kŏlərāˈdə, –räˈdə [key]. 1 Great river of the SW United States, 1,450 mi (2,334 km) long, rising in the Rocky Mts. of N Colo., and f...
(Encyclopedia) International Union for the Conservation of Nature and Natural Resources (IUCN), formerly World Conservation Union, international organization founded in 1948 to encourage the preservation of wildlife...
(Encyclopedia) American Medical Association (AMA), professional physicians' organization (founded 1847). Its goals are to protect the interests of American physicians, advance public health, and support the growth o...
(Encyclopedia) lock, canal, stretch of water enclosed by gates, one at each end, built into a canal or river for the purpose of raising or lowering a vessel from one water level to another. A lock may also be built ...
(Encyclopedia) Judd, Charles Hubbard, 1873–1946, American psychologist, b. India. He was educated at the Univ. of Leipzig (Ph.D., 1896), where he studied with Wilhelm Wundt. Judd taught at the Univ. of Cincinnati,...
(Encyclopedia) parochial school pərōˈkēəl [key], school supported by a religious body. In the United States such schools are maintained by a number of religious groups, including Lutherans, Seventh-day Adventis...
(Encyclopedia)
CE5
Life cycle of a moss: A germinating spore forms a transitory branching structure on the soil surface, which develops into the conspicuous gametophyte, the familiar moss plant. Eggs and sperm ar...