WHAT IS AN ECOSYSTEM? WHAT IS BIODIVERSITY? WHY DO ECOSYSTEMS CHANGE? FOOD CHAINNUTRIENT CYCLESFIND OUT MOREAll living things have complex relationships with other species and with their…
(Encyclopedia) breeding, in agriculture and animal husbandry, propagation of plants and animals by sexual reproduction; usually based on selection of parents with desirable traits to produce improved…
(Encyclopedia) MorpheusMorpheusmôrˈfēəs [key], in Greek and Roman mythology, god of dreams. The son of Hypnos (or Somnus), the god of sleep, he brought dreams of human forms. His brothers Phobetor…
(Encyclopedia) Tsavo National ParkTsavo National Parktsäˈvō [key], 8,034 sq mi (20,808 sq km), SE Kenya; est. 1948. Located on the semiarid plains, it is a sanctuary for the large animals of E Africa…
(Encyclopedia) fable, brief allegorical narrative, in verse or prose, illustrating a moral thesis or satirizing human beings. The characters of a fable are usually animals who talk and act like…
(Encyclopedia) Andrews, Roy Chapman, 1884–1960, American naturalist and explorer, b. Beloit, Wis., B.A. Beloit College, 1906, M.A. Columbia Univ., 1913. Associated with the American Museum of Natural…
(Encyclopedia) glycogenglycogenglīˈkəjən [key], starchlike polysaccharide (see carbohydrate) that is found in the liver and muscles of humans and the higher animals and in the cells of the lower…
(Encyclopedia) pasture, land used for grazing livestock. Land unsuited for cultivation, e.g., hilly or stony land, may be used as pasture. Tilled land and meadow may be pastured after the crops are…
(Encyclopedia) manure, term used in the United States to refer to excreta of animals, with or without added bedding; also called barnyard manure. In other countries the term often refers to any…