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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Processes used to produce transgenic species Transgenic species are groups of organisms that contain genes from other species. Transgenic animal species are produced by two main methods: the transgene ("two separately cloned genes are spliced together‚ one gene contains the coding sequence for the protein of interest and the other controls the tissue in which the animal protein will be expressed") can be microinjected in or created by using embryonic stem cells. The microinjection method involves
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CONVENTIONAL LEVEL: 4:2 MODULE CODE: 423 MODULE NAME:WORLD AFFAIRS SINCE 1945 LECTURER: DR V. NYAWO-SHAVA ASSIGNMENT QUESTION: Explain the origins and progression of the Russian revolution between 1917 and 1922. The origins of the Russian Revolution can be explained in terms of the peasant consciousness of land which can be traced back to 1861. Russia had been the last country in Europe to abolish serfdom; nevertheless‚ Alexander
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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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Endangered Species Act) Endangered Species Act “What is an endangered species?” is a question that needs to be addressed before getting known of endangered species act. An endangered species is a population of organisms which is at risk of becoming extinct due to three possible reasons: it is few in numbers. According to the theory of Exponential Growth Curve proposed by Malthus‚ a lower population tends to have a lower reproductive rate and thus a higher risk of going extinct; or a species is
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An invasive species such as the zebra mussel‚ invaded the Great Lakes of America in 1988. They were brought in by seagoing vessels that emptied their ballast water as they got in the port‚ the zebra mussels had hitched a ride in the water taken in in the ballast before the ship left port in the Caspian and Black seas. By 2010 these muscles and colonized the waters in over 30 US states spreading like wildfire. Invasive species have a huge impact on their nonnative environment‚ the zebra mussel clogs
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report on the origins of vernacular language‚ or the language that is commonly spoken in a particular region or area‚ and its spread. Then we will assess and evaluate the impacts the spread of vernacular language had on cultures during this time. UNIT 2 IP Introduction I will be discussing the origins‚ and spread‚ of the vernacular language. I will also assess and evaluate the impacts the spread of the vernacular language had on the cultures during this period of time. Origins and spread of
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The Endangered Species Act: Facing Extinction It is found that “ninety-nine percent of currently threatened species are at risk from human activities‚ primarily those driving habitat loss‚ introduction of exotic species‚ and global warming” (“The Extinction Crisis”). The Endangered Species Act was put into place in 1973 as citizens of the United States began to realize the harsh effects of their everyday living on the living species around them. Plants and animals began to disappear‚ causing discord
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