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Million Years Ago 5 Million Years
1,586 wordsHuman evolution is the biological and cultural development of humans. A human is any member of the species Homo sapiens, meaning wise man. Since at least the Upper Paleolithic era, some 40, 000 years ago, every human society has devised a creation myth to explain how humans came to be. Creation myths are based on cultural beliefs that have been adopted as a legitimate explanation by a society as to where we came from. The science of paleo anthropology, which also tries to create a narrative abou...
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Chemical Reactions Physical Activity
1,787 wordster>Sam Vaknin's Psychology, Philosophy, Economics and Foreign Affairs Web Sites The sentence all cats are black is evidently untrue even if only one cat in the whole universe were to be white. Thus, the property being black cannot form a part of the definition of a cat. The lesson to be learnt is that definitions must be universal. They must apply to all the members of a defined set (the set of all cats in our example). Let us try to define a chair. In doing so we...
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Gene Pool Northern Hemisphere
1,207 wordsIntroduction It is unlikely that any family of fish has received as much attention as the Salmoninae. Many have a particularly heart-felt interest in the Salmoninae (trout, salmon, and char) because they love to fish. But man often destroys that which he loves, and the Salmoninae are no exception to this phenomenon. Exploitation of these fish has led to the extinction of certain species in some areas, but the attempt to preserve our valued fisheries has resulted in extensive research on the Salm...
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South America One Side
1,457 wordsCarnivorous Plants In a world where plants are at the bottom of the food-chain, some individual plant species have evolved ways to reverse the order we expect to find in nature. These insectivorous plants, as they are sometimes called, are the predators, rather than the passive prey. Adaptions such as ossiferous lures and trapping mechanisms have made it possible for these photosynthesizes to capture, chemically break-down and digest insect prey (and in some cases even small animals. ) There is ...
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Showy Ladys Slipper Ladys Slipper Cypripedium Species
2,823 wordsThe Ladys Slipper: Cypripedium Plant Name The ladys Slipper, or Cypripedium, is an easily recognizable species from the Orchidaceae family. Plant Description The family is commonly known to have fantastic flowers, with flamboyant color and display. Members of this family are normally found to grow in bogs, meadowlands, and woodlands. The flowers all share some common characteristics, such as, possessing three sepals and petals, with markedly bilateral symmetry. The lowest petal, or lip, usually ...
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Million Years Ago Homo Erectus
1,251 wordsIn the January/February issue of Archaeology magazine, the article Early Homo erectus Tools in China holds additional, yet questionable information about the foundations of the genus Homo. After recent findings of stone tools and animal bones at Renzidong (Renzi Cave) in Anhui Province, eastern China, Chinese scientists have concluded that Homo erectus may have been established there 400, 000 years earlier than formerly believed, almost 2. 25 million years ago. Besides this site being one of the...
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