"On the Origin of Species" Essays and Research Papers

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    ------------------------------------------------- Why the iron curtain descended: origins and causes of the cold war ROHAN SINGH SEPTEMBER 2012 Name of University: The West Bengal National University of Juridical Sciences Subject:Political Science Date of Submission:1st October‚ 2012. “Why the Iron curtain descended”: A study into the origins and causes of the cold war INTRODUCTION On April 16‚ 1947‚ Bernard Baruch‚ former advisor to former

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    U.S. Fish and Wildlife services have officially removed the gray wolf from the endangered species list calling the recovery‚ “one of the most remarkable success stories in the history of conservation.” “There are an estimated 7000 to 11‚200 gray wolves in Alaska‚ 3‚700 in the Great Lakes region and 1‚675 in the Northern Rockies” (Defenders of Wildlife 1). The gray wolf is no longer on the endangered species list because the numbers have risen so dramatically. Hunting should be allowed‚ as there is

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    Pannasastra University of Cambodia Commitment to Excellence Environmental Science (2011-2012) Phnom Kravanh Instructor: Dr. Taing You New Species of Mekong 1. Sun Kimsean 2. Yeang Sokheng 3. Phirun Sopheavy 4. Thanthiva Akkharath 5. Kan Sivorn 6. Eng Savath 7. Vanna Yuk Van Neath The Mekong River is a major river in Southeastern Asia and is one of the world’s greatest rivers‚ ranked number 10th largest river by length

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    Antioxidant Effects on Reactive Oxygen Species Abstract Antioxidants are among key molecules for a healthy living. Antioxidants are molecules that prevent damage of cells through inhibition of oxidizing agents such as free radicals. This experiment was aimed at investigating the role of antioxidant on the inhibition of reactive oxygen species. To demonstrate this‚ quercetin was used as antioxidant and its effect on reactive oxygen species examined. RAW 264.7 cells were

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    Mivart’s ‘Genesis of Species’ In George Mivart’s ‘Genesis of Species’‚ Mivart thoroughly reviews Darwin’s theory of natural selection. Mivart concludes that Darwin’s theory of natural selection is flawed because it cannot account for all of the mechanics of inheritance‚ specifically the initial developments of useful characteristics. He disputes that natural selection can account for the passing of negative or unnecessary traits‚ or for individualized traits occurring in only one species. He also asks

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    there were many alternative theories that had to do with the origin of this word‚ the word has cultivated over a long period of time‚ (OED). In the early usage of this word‚ it had to be one of the most secretive words at the time. People only said the word when it came down to having sexual intercourse‚ to cheat‚ or a sign of frustration. In 1784‚ Prince William let in King William IV and said‚ “Oh‚ for the

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    discovered that mosquitoes transmitted malaria. Of the four common species that cause malaria‚ the most serious type is Plasmodium falciparum malaria. It can be life-threatening. However‚ another relatively new species‚ Plasmodium knowlesi‚ is also a dangerous species that is typically found only in long-tailed and pigtail macaque monkeys. Like P. falciparum‚ P. knowlesi may be deadly to anyone infected. The other three common species of malaria (P. vivax‚ P. malariae‚ and P. ovale) are generally less

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    Types of species 1. Endemic species Endemism is the ecological state of a species being unique to a defined geographic location‚ such as an island‚ nation‚ country or other defined zone‚ or habitat type; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. they are only found in certain locations‚ they require special conservation efforts Animal examples: Lemurs of Madagascar‚ tortoises of the Galapagos‚ polar bears‚ koalas‚ kangaroos. Plant examples:

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    The Importance of Endangered species in our world Importance of Endangered Species in our world INTRODUCTION The term endangered is used by international and national organizations to define plants and animals currently in danger of becoming extinct. Although the term endangered is universally used‚ the definition of an endangered species is greatly varied. In most cases‚ the factors causing an organism to become endangered are human- related. ABSTRACT Geographic distribution

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    10 I. INTRODUCTION An endangered species is a population extinct organism which is at risk of becoming extinct because it is either few in number3‚ or threatened by changing environmental or predation parameters. It is a taxonomic species‚ but maybe another evolutionary significant unit such as a subspecies. The World Conservation Union (IUCN) has calculated the percentage of endangered species as 40percent of all organisms based on the sample of species that have been evaluated through 2006

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