Medicare is an insurance program sponsored by the United States government. The purpose of Medicare is to guarantee access to health insurance for US citizens of age 65 and over and to people of any age with disabilities. In 2011‚ 48.7 million people were covered by Medicare with a total expenditure of $549.1 billion1 from which $182.7 billion was used to cover 15.3 million inpatient admissions; this represents 47.2 percent of total hospital’s admission costs in the US. Medicare falls under the
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Biotic and Abiotic Influences on Ecosystems Term Definition Abiotic Factor Non-living factor that affects and ecosystem Biotic Factor Living factor that affects an ecosystem Carrying Capacity Maximum amount of organisms an ecosystem can support Commensalism Relationship where one organism is benefitted while the other is unaffected Competition Relationship where the organisms compete for the same services of the environment Density Dependent Factor Factor that depends on the original density
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What is the Marine Ecosystem? Marine ecosystems are among the largest of Earth’s aquatic ecosystems. It covers almost 70% of the earth’s surface. They include oceans‚ salt marsh and intertidal ecology‚ estuaries and lagoons‚ mangroves and coral reefs‚ the deep sea and the sea floor. They can be contrasted with freshwater ecosystems‚ which have a lower salt content. Why is the Marine Ecosystem important? Marine ecosystems are very important in to the overall health of both marine and terrestrial
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Ecosystems: Change and Challenge The Structure of Ecosystems Ecosystem: a dynamic‚ stable system characterised by the interaction of plants and animals with each other and with the non-living components of the environment The components of an ecosystem are categorised as either biotic and abiotic Biotic means the living environment‚ components include: i). Vegetation (living and decomposing) ii). Mammals‚ insects‚ birds and microorganisms Biomass-the mass of material in the bodies
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growth and reproduction of all organisms have a limited quantity on earth at any one time‚ other than the occasional meteor that brings with it new matter. It is therefore important that the recycling of these chemical elements is efficient. Autotrophs are the basis of almost all ecosystems. The rate that autotrophs produce and transfer energy is vital to the capacity of organisms that can inhabit these ecosystems. To understand the rates in which certain species’ leaves decay and release the energy
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HUMANS ARE NATURALLY EVIL The question regarding to the nature of human beings being related to the word evil has been a topic for controversial discussion and debate among scholars and philosophers alike. According to the ardictionary.com‚ the word evil is defined as Having or exhibiting bad moral qualities; morally corrupt; wicked; wrong; vicious; as‚ evil conduct‚ thoughts‚ heart‚ words‚ and the like ‚anything which impairs the happiness of a being or deprives a being of any good; anything which
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The Effects of Foreign Species Introduction On An Ecosystem The effects of foreign species introduction into an ecosystem are very profound. From small microorganisms to species of large mammals‚ many foreign species introductions occur every day. New implications of their introduction are found just as often. When a foreign species is introduced into an ecosystem‚ often the ecosystem contains no natural predators for the new species. This lack of predators sometimes leads to; in conjunction
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Food Web Diagram Shatavia Hunt BIO/101 December 8‚ 2014 Michael Shunk Food Web Diagram The Everglades Ecosystem There are many types of organism‚ plants and animals that live in Everglades which makes up that ecosystem. Organisms like Algae‚ Swamp Lily and Saw Grass that are producers. Then there are the Primary Consumers Florida Apple Snails‚ White Tail Deers‚ Mosquitofish and Green Sea Turtles. Next‚ there are the secondary consumers Snail Kite‚ Great Blue Heron‚ Opossum and Raccoon. The
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The period of 1492-1750 opened up new worlds and old worlds to a world of growing interdependence and connectivity. This era was home to the discovery and subsequent European colonization of the Americas and the African slave trade (the diaspora) both being remarkable and profound events in world history. The interactions focused on three regions: Western Europe‚ Africa‚ and the Americas. The communication expanded the economies of all three regions while damaging social structures of Africa and
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Human activities that may affect water ecosystems such as oceans FISHING Reducing the fish communities in rivers and oceans‚ destructive fishing techniques can also cause water pollution and damage to coral and other aquatic life. Destructive fishing techniques involve the use of dynamite or cyanide; trawling in coral-rich ecosystems; bottom trawls that are dragged along the ocean floor‚ also disrupt and damage critical habitats. DUMPING Coastal communities have long used oceans as dumping grounds
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