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    CAMBRIAN : Explosion of Life on Earth  
The Cambrian is the first geological period of the Paleozoic Era, lasting from 541 to 485 million years ago (mya) and is succeeded by the Ordovician. Its subdivisions, and indeed its base, are somewhat in flux. The period was established by Adam Sedg...
 
    Pangaea, Supercontinent  
Pangaea or Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. It formed approximately 300 million years ago and then began to break apart after about 100 million years. Unlike the present Earth, much of the la...
 
    PERMIAN : Largest Mass Extinction  
The Permian is a geologic period and system which extends from 299 to 252 million years ago. It is the last period of the Paleozoic Era, following the Carboniferous Period and preceding the Triassic Period of the Mesozoic Era. The concept of the Perm...
 
    MESOZOIC : Age of Dinosaurs  
The Mesozoic era is an interval of geological time from about 252 to 66 million years ago. It is also called the age of reptiles, a phrase introduced by the 19th century paleontologist Gideon Mantell who viewed it as dominated by reptiles such as Igu...
 
    Africa  
Africa is the world's second-largest and second most populous continent, after Asia. At about 30 million km² including its adjacent islands, it covers 5.9% of the Earth's total surface area, and 20.3% of the total land area. With over 840 million peo...
 
    North America  
North America is a continent in the Northern Hemisphere and almost fully in the Western Hemisphere, bordered on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the south by the Caribbean Sea, and on the west by the North Pa...
 
    South America  
South America is a continent situated in the Western Hemisphere between the Pacific and Atlantic Oceans. Most of it is in the Southern Hemisphere. Commonly referred to as part of the Americas, like North America, South America is named after Amerigo...
 
    Europe  
Europe is conventionally considered one of the seven continents which, in this case, is more a cultural and political distinction than a physiogeographic one. Physically and geologically, Europe is a subcontinent or large peninsula, forming the weste...
 
    Oceania  
Oceania is a geographical region consisting of numerous countries and territories mostly islands in the Pacific Ocean. The exact scope of Oceania is controversial, with varying interpretations including East Timor, Australia, New Zealand, or none...
 
    Asia  
Asia is the largest and most populous of the Earth's continents. It is traditionally defined as part of the landmass of Africa-Eurasia lying east of the Suez Canal, east of the Ural Mountains, and southeast of the Caucasus Mountains and the Caspian a...
 
    Antarctica  
Speculation over the existence of a "southern land" was not confirmed until the early 1820s when British and American commercial operators and British and Russian national expeditions began exploring the Antarctic Peninsula region and other areas sou...
 
    CENOZOIC : Age of Mammals  
The Cenozoic Era, meaning "new life", is the current and most recent of the three Phanerozoic geological eras, following the Mesozoic Era and covering the period from 66 million years ago to the present. The Cenozoic is also known as the Age of Ma...
 
    STONE AGE : The Human Era  
The first species of the genus Homo, evolved in South and East Africa in the late Pliocene or early Pleistocene (2 - 2.5 million years before present) when it diverged from the Australopithecines (Australopithecines and Hominenes are collectively ref...
 
    The Human Evolution  
Australopithecus afarensis is an extinct hominid that lived between 3.9 and 2.9 million years ago. A. afarensis was slenderly built, like the younger Australopithecus africanus. It is thought that A. afarensis was more closely related to the genus Ho...
 
    Lucy, Australopithecus, Found 1974  
Lucy is the common name of AL 288-1, the 40% complete Australopithecus afarensis skeleton discovered on November 30, 1974 by the International Afar Research Expedition (IARE; director: Maurice Taieb, co-directors: Donald Johanson and Yves Coppens) in...
 
       
 
         
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