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adaptive radiation
(Encyclopedia) CE5 Adaptive radiation in Hawaiian honey-creepers adaptive radiation, in biology, the evolution of an ancestral species, which was adapted to a particular way of life, into many…FitzRoy, Robert
(Encyclopedia) FitzRoy, Robert, 1805–65, British naval officer, meteorologist, and hydrologist. Given (1829) temporary command of the HMS Beagle, he completed a survey of the coasts of Patagonia and…Ballard, Robert Duane
(Encyclopedia) Ballard, Robert DuaneBallard, Robert Duanebălˈərd [key], 1942–, American marine geologist, b. Wichita, Kans.; Ph.D. Univ. of Rhode Island, 1974. From 1969 to 1997 he was associated…hydrothermal vent
(Encyclopedia) hydrothermal vent, crack along a rift or ridge in the deep ocean floor that spews out water heated to high temperatures by the magma under the earth's crust. Some vents are in areas of…penguin
(Encyclopedia) penguin, originally the common name for the now extinct great auk of the N Atlantic and now used (since the 19th cent.) for the unrelated, generally antarctic diving birds of the…Lost Islands of the World
Traveler's guide to deserted islands for when you really, really want to be alone by Borgna Brunner Smoke rises from McDonald Island's volcano. Coming Up Clipperton Island…2002–2003 Obie Awards
The 2002–2003 Obie Awards, honoring distinguished achievement in Off-Broadway and Off-Off-Broadway productions, were presented on May 19, 2003, at New York's Webster Hall.Direction: Emily…South America: Maps and Online Resources
South America is the fourth largest continent in the world, situated in the Western Hemisphere and Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. It is surrounded…Genetic Variation and Natural Selection: Natural Selection
Natural SelectionGenetic Variation and Natural SelectionIntroductionNatural SelectionPost-Mendelian Inheritance Factors As discussed in Specialized Cell Structure and Function, sexual reproduction…sea lion
(Encyclopedia) sea lion, fin-footed marine mammal of the eared seal family (Otariidae). Like the other member of this family, the fur seal, the sea lion is distinguished from the true seal by its…Trending
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