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lichen

(Encyclopedia) lichenlichenlīˈkən [key], usually slow-growing organism of simple structure, composed of fungi (see Fungi) and photosynthetic green algae or cyanobacteria living together in a…

growth hormone

(Encyclopedia) growth hormone or somatotropingrowth hormonesōmătˌətrōˈpən [key], glycoprotein hormone released by the anterior pituitary gland that is necessary for normal skeletal growth in humans (…

irrigation

(Encyclopedia) irrigation, in agriculture, artificial watering of the land. Although used chiefly in regions with annual rainfall of less than 20 in. (51 cm), it is also used in wetter areas to grow…

lynx

(Encyclopedia) lynx, name given to several related small, ferocious members of the cat family. All have small heads, tufted ears, and heavy bodies with long legs and short tails. All are primarily…

Phaeophyta

(Encyclopedia) PhaeophytaPhaeophytafēŏfˈətə [key], phylum (division) of the kingdom Protista consisting of those organisms commonly called brown algae. Many of the world's familiar seaweeds are…

cod

(Encyclopedia) cod, member of the large family Gadidae, comprising commercially important food fishes. The family, whose members are found in the N Atlantic and Pacific, includes the tomcods, the…

cicada

(Encyclopedia) cicadacicadasĭkāˈdə [key], large, noise-producing insect of the order Homoptera, with a stout body, a wide, blunt head, protruding eyes, and two pairs of membranous wings. The front…

GDP and the Players Three: GDP Is “The Economy”

GDP Is “The Economy”GDP and the Players ThreeIntroductionAll Together Now: C + I + GGDP Is “The Economy”Consumers: Buyers, Buyers EverywhereInvestment: Business Buys as Well as SellsGovernment: He's…

Science Projects for Beginners: Biology Projects

Biology ProjectsScience Projects for BeginnersBiology ProjectsWhat Foods Attract Ants?Do Loud Noises Affect Heart Rate? Which Foods Do Molds Love Best? You run into the kitchen after a hard…