COASTAL (NERITIC) ZONEOPEN OCEAN ZONESOCEAN CURRENTSTIDESWAVESFIND OUT MOREAbout 71 per cent of our planet’s surface is covered by oceans and seas. In order of size, the five great oceans are…
HOW DID FARMING CHANGE PEOPLE’S LIVES? WHICH PLANTS DID THE FIRST FARMERS GROW? HOW DID PEOPLE BECOME BETTER FARMERS? DOMESTICATIONFERTILE CRESCENTFIND OUT MOREFarming began c. 10,000 BC on land…
OCEAN LIFE SUNLIT ZONE TWILIGHT ZONE DEEP-SEA ZONE WHY IS THE SEA SALTY? WHAT CAUSES THE OCEAN CURRENTS? OCEAN FLOORWAVESFIND OUT MOREEarth’s five oceans (the Pacific, Atlantic, Indian, Southern…
(Encyclopedia) Pliocene epochPliocene epochplīˈəsēn [key], fifth epoch of the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), from 5.1 to 2 million years ago.…
(Encyclopedia) island, relatively small body of land surrounded entirely by water. (As the oceans form a continuous mass of water on the earth's surface, all continents are islands in the strict…
WorldNepalese King Fires Government (Feb. 1): King Gyanendra also declares a state of emergency. Many of the country's politicians are placed under house arrest, phone and Internet lines are cut,…
SpeciationMicroevolution and MacroevolutionIntroductionMicroevolutionSpeciationMacroevolution According to the theory of natural selection, speciation is the creation of new species by genetic…
