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Biomes - Tundra is the coldest of all the biomes. Tundra comes from the Finnish word tunturia, meaning treeless plain. It is noted for its frost-molded landscapes, extremely low temperatures, little precipitation, poor nutrients, and short growing seasons. Dead organic material functions as a nutrient pool. The two major nutrients are nitrogen and phosphorus. Nitrogen is created by biological fixation, and phosphorus is created by precipitation. Tundra is separated into two types: arctic tundra and alpine tundra....   [tags: essays research papers] 539 words
(1.5 pages)
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Biomes of the World - Biomes of the World A biome, also known as life zones, consists of all plants, animals, and other organisms, as well the physical environment in a particular area. A biome is characterized by its’ plant life, climate, and location. The climate and physical features determine the boundaries of a biome. A biome is made up of many different ecosystems. The ecosystems tend to have the same pants and animals as neighboring biomes around the boundaries. The major biomes are the tundra, taiga, tropical rain forest, temperate forests, desert, grassland, savanna, chaparral, and marine....   [tags: Papers] 1764 words
(5 pages)
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Biomes as Units of the Biosphere - Merriam-Webster dictionary defines biosphere as “the part of the world in which life can exist.” There are 2.1 million catalogued species known to exist and some scientist estimate as much as 100 million might exist. Each of these species has adapted to life in a particular part of the biosphere. These particular parts are called ecosystems. Since there is a large jump between the biosphere and ecosystems scientists have divided the biosphere into biomes. In doing research about biomes, it seems that different scientists have different ideas about biomes....   [tags: essays research papers] 1910 words
(5.5 pages)
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Diverse Australian Biomes Adapting - Diverse Australian Biomes Adapting Australia is a land of rather extreme weather conditions and widely diverse climates that force the vegetation living there to adapt in many interesting ways. Australia is the driest continent, and biomes such as grasslands and savannas are prime sources of widespread catastrophic fires. The plants that grow in the vast arid and semi-arid regions of Australia are prone to fires simply because of the desert climates that they grow in. High temperatures combined with low fuel moisture contents, little humidity and drying winds that sweep across the landscape encourage many of the plants living in these areas to burst into flames at fairly frequent intervals....   [tags: Adaptation Australia Essays]
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4491 words
(12.8 pages)
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Deforestation of the Rainforest - ... These rainforests provide education just by visiting or reading about them. Despite these great advantages of rainforest biomes, they continue to be threatened. The utmost cause of rainforest devastation today comes from human activities which as compared to natural damage is totally destructive. The major problem that is destroying these rainforests is deforestation. Merriam-Webster defines deforestation as “the action or process of clearing an area of forests” to a non-forest use. The role of humans in the deforestation of the rainforests is massive and some activities that contribute to this loss include oil extraction, logging, hydroelectric projects, road constructions, hunting and poaching....   [tags: Ecology]
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1305 words
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Deforestation of The Rainforests - ... Over 50,000 species of plants and animals have become extinct every year due to deforestation (Taylor). There is no doubt that you, or someone you know, has been affected by a plant-derived medication found in the rainforests. For example, a plant called the periwinkle contains the basis of a special drug called Vincristine. Vincristine is one of the world’s most powerful anti-cancer drugs and has saved thousands of children with Leukemia since its discovery. However, the periwinkle is just one of the hundreds of plant species used in western medicine, seeing that 25% of all western medicine is derived from specific ingredients found only in rainforests ("Facts on the Rainforest")....   [tags: Environmental Issues]
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985 words
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Discussion of a biome using specific information about precipitation patterns, plants, animals, and general locations - ... 3. Explain specific human impacts in your biome. Due to the harsh features of this biome, human impact is insignificant compared to the size of it. Even so, modern technology, specifically ways of transporting water to the desert, has allowed development of cities in some areas. USA and Australia have advanced irrigation systems, giving way to extended farming use and mining. These two activities affect plants, the most important of them being the saguaro cactus, which takes over two hundred years to grow to a mature stage....   [tags: Geography, Biodiversity] 1354 words
(3.9 pages)
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Temperate Deciduous Forest - Temperate Deciduous Forest Geographical location- The Temperate Deciduous Forest is 30 degrees north and 30 degrees south of the equator. This climate can be found in the north in North America, Europe and Asia. In the south, the climate can be found with South America, Australia, and Africa. Climate facts- the average temperature is 50 degrees (24 degrees celsius) and its high is 86 degrees, this factor depends on the altitude of the forest. The temperate deciduous forest receives an average yearly precipitation of 2 to 5 feet, and the humidity of the forest is 60% to 80%....   [tags: essays research papers] 358 words
(1 pages)
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Student-Centered Learning - Student-Centered Learning Recently, the buzzword for school wide educational reform is student-centered learning. My last year teaching, the administration threw around this term, yet no in-services were in place on this subject in order to accomplish the goal. Even Atlanta Public School's strategic technology plan uses the common student-centered learning phrase, " Teachers will move from mentor in the center to guide on the side." However, very few teachers actually use this approach in their classrooms....   [tags: Education Teaching Papers]
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2097 words
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Feedback Effects of Soil Carbon Cycling in Northern Ecosystems - Feedback Effects of Soil Carbon Cycling in Northern Ecosystems Global warming will be greatest in mid-continental North America and Eurasia, where temperatures are predicted to increase 4 - 12_C during the winter and 2 - 6_ C in summer (Kasischke et. al, 1995). This warming will shift the boreal forest, bog, and tundra biomes that dominate these areas northward as much as 500 km in the first hundred years of warming (Toward...1988, qtd. in Varallyay, 1990). Alaskan studies indicate that these changes are already influencing ecosystem function and carbon balance in northern ecosystems (Grulke et al....   [tags: Science Chemistry Essays]
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2579 words
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Global Warming - Global Warming Climate change is neither new nor unusual. Throughout the history of the earth, the average surface temperature, climate and greenhouse gas concentrations have changed, sometimes gradually other times quite sharply. During the past 10,000 years the earth has been in an interglacial period with a fairly stable climate, surface temperature, and greenhouse gas concentration1. The problem that has arisen in recent times is when scientists analyze the past 150 years, especially the last 50....   [tags: Environment Global Warming Climate Change] 976 words
(2.8 pages)
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Helping Brazil - Helping Brazil The tropical rainforests of South America, Africa, Asia and the north of Australia are all distributed evenly between the Tropic of Cancer and the Tropic of Capricorn. The Equator run through some of these rainforests and is also close to some of them. The map below illustrates all the rainforests in the world. The tropical rainforests of the world are all global ecosystems....   [tags: Papers] 1918 words
(5.5 pages)
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Polar Bears - Polar Bear is the name for a white bear found on the icy sea of the Arctic throughout the North Polar basin. Being the only bear considered being marine, it is longer than other bears and streamlined for aquatic life. It has the “plantigrade” feet (heel and sole touching the ground) which are typical in all bears, with five sharp, claws on each foot for grasping at the ice and holding its prey. Long hair between the pads protects the bear's feet from the cold and provides traction on the ice so he doesn’t slip....   [tags: essays research papers fc]
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426 words
(1.2 pages)
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The Components of the Ocean Biome - The Components of the Ocean Biome A biome, also known as life zones, consists of all plants, animals, and other organisms, as well the physical enviorment in a particular area. A biome is characterized by its plant life, climate, and location. The climate and physical features determine the boundaries of a biome. A biome is made up of many different ecosystems. The ecosystems tend to have the same plants and animals as neighboring biomes around the boundaries. The oceans and seas form the marine biome, the world's largest biome....   [tags: Papers] 415 words
(1.2 pages)
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Wetlands - We chose to research about wetlands because they are very unique and special. Wetlands used to be extremely common during prehistoric times, but now there are only small areas left. Some plants and animals exist only in the wetland biomes, such as the star fruit and water vole. But, as the amount of wetlands decreased, many organisms became endangered and even extinct. We wanted to find out more about what the characteristics of wetlands and what is being done to help the environment. A wetland is an area where the ground is soaked or underwater for most of the year....   [tags: Ecology]
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Oceans: The Importance of Preserving this Delicate Marine Environment - The Oceans are the most diverse biomes in the world, for they cover 71% of the planet. Life in the ocean evolved 3 billion years prior than land, and it still has over ¾ of all the habitats on Earth. Humans have always posed threats to the delicate marine environment, yet it still is thriving. Without the marine biome humans and other animals alike would not be in existence, for evolution of the first life would never have occurred, and we would not have a strong enough atmosphere to support life....   [tags: environment, oceanography]
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1067 words
(3 pages)
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Horticultural Devolution - ... Marcus Torrentius was one of the first people documented to start rotating crops to take advantage of pest control, plant growth and soil conditioning. The fact that this information was available over 2000 years ago, it is a shame that not 100 percent of the population isn’t participating in food gardening. This achievement is possible after so much time has passed; there are a few basic things that all people should have knowledge of in order to grow successful crops. Phytomorphology, or more commonly known plant morphology, “was defined as the study of the anatomical and cytological features of the life histories of plants expressed in a taxonomic framework”(Kaplan)....   [tags: Horticulture]
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1005 words
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Formation and Organization of the Athalassic Salt Lakes of Australia - Formation and Organization of the Athalassic Salt Lakes of Australia Preface Upon my acceptance to the Biomes of Australia 2003 program – a biologically-oriented summer experience in the “Land Down Under” that, for the 6th consecutive year, has been organized by Dr. Warren Dolphin of Iowa State University – I was presented with the task of writing a research paper on an aspect of the Australian landscape. Anxious to apply my new knowledge of geomorphology and desiring to investigate an ecosystem from the holistic perspective of an environmental scientist, I settled upon investigating the formative elements of athalassic (inland) salt lakes and how they determine the ecological structure of salt lake playas....   [tags: Geology Research Papers]
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6090 words
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Cutting Down the Brazilian Rainforest Is Wrong - Cutting down the Brazilian rainforest is not a morally just thing to do. Not only does leave the soil sterile and cut the land used for crops’ life in half, but it also eliminates the opportunity for new medicines to be found, new plants to use for treatment in the medical field, and petroleum substitutes to be collected and used, just to name a few. In addition, the presence of the rainforest helps protect us from global warming and keeps some of the rarest and beneficial animals and their homes alive....   [tags: essays research papers fc]
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2894 words
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Geomorphic Agents - University of Arizona “Wildcats” Geomorphic Agents Rank from low to high in order is glacier is low, wind is medium and waves/current is high. In Nome Alaska, the current importance processes is glacial processes. In Los Angeles, the current important process is coastal process. In Fargo, the current importance processes is aeolian processes. In Nome, glacier has begun created since 18000 years ago. Biomes Biome is a large terrestrial ecosystem characterized by specific plant communities and formations, usually named after the predominant vegetation in the region....   [tags: essays research papers] 702 words
(2 pages)
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Nuclear Energy - Nuclear Energy Nuclear energy-This is energy that binds together components of an atomic nucleus. This is made by the process of nuclear fission. Nuclear fission is produced when an atomic atom is split. The way nuclear pore is made is in a nuclear reactor, this is most likely located in a nuclear power plant. the fission that is produced is when a heavy element splits in half or is halved into two smaller nuclei, the power of the fission is located by the rate of the splitting of the nuclei at once which causes watts of electricity to be forced into the energy type....   [tags: essays research papers] 1740 words
(5 pages)
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The Rise and Fall of Civilizations Throughout World History - The Rise and Fall of Civilizations Throughout World History Throughout our world history, we have seen many civilizations rise and fall, many where successful and many where not because of the way there leaders adopt their civilizations to the environment and the other power related problems. From the rise and fall of different civilizations you will also see different technology and inventions been develop and past on through generations, as well as different political organizations and cultures....   [tags: Papers] 1084 words
(3.1 pages)
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Physics of Sea Ice - Sea ice is frozen sea water. Salt ions in the water complicate the growth of ice crystals, and makes sea ice much more dynamic than freshwater ice. Sea ice covers nearly 7% of the Earth's surface, has a huge effect on global climate, and is one of the largest, single biomes on Earth. Ice is the solid, crystalline form of water, which solidifies at 0ºC. Roughly 9 polymorphs of ice are defined, only one, however, occurs naturally on Earth. This common form of ice is known as ice 1h, and its lattice displays six-fold rotational symmetry....   [tags: physice ice sea] 872 words
(2.5 pages)
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Diversity of Marine Algae in the Biosphere 2 Ocean - Diversity of Marine Algae in the Biosphere 2Ocean Red algae, Rhodophyta, is easily identified in the marine environment because it appears as a red color. There are many different species, originating from many different corners of the Earth. The ocean biome in the Biosphere 2 was constructed using raw seawater off the coast of Southern California, which contained many different unknown species of algae. During the construction of the biome, other known species of algae from various marine environments, Gulf of Mexico and Hawaii, were also introduced into the ocean....   [tags: Algae Biology Biome]
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Religion Versus Government - ... In this situation, the economy of America has since dropped, “There is no question that the Iraq war added substantially to the federal debt” (Stiglitz and Bilmes). It is naïve to say it is only the effect of the war that caused such a thing, but it did have a major role in the decrease. Furthermore, because of the increase in federal debt, unemployment is at a high, “The result is that the recession will be longer, output lower, unemployment higher and deficits larger than they would have been absent of the war” (Stiglitz and Bilmes)....   [tags: Government]
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Legends Of Seismology - Legends in Our Time Seismologists… Scientists and Mathematicians Beno Gutenberg was the foremost observational seismologist of the twentieth century. He combined exquisite analysis of seismic records with powerful analytical, interpretive, and modeling skills to contribute many important discoveries of the structure of the solid Earth and its atmosphere. Perhaps his best known contribution was the precise location of the core of the Earth and the identification of its elastic properties. Other major contributions include the travel-time curves; the discovery of very long-period seismic waves with large amplitudes that circle the Earth; the identification of differences in crustal structure between continents and oceans, including the discovery of a significantly thin crust in the Pacific; the discovery of a low-velocity layer in the mantle (which he interpreted as the zone of decoupling of horizontal motions of the surficial parts from the deeper parts of the Earth); the creation of the magnitude scale for earthquakes; the relation between magnitudes and energies for earthquakes; the famous universal magnitude-frequency relation for earthquake distributions; the first density distribution for the mantle; the study of the temperature distribution in the Earth; the understanding of microseisms; and the structure of the atmosphere....   [tags: essays research papers] 465 words
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Osama bin Laden Owes Me a Snow Globe - ... My father was in the first wave of soldiers to be sent overseas to Kuwait from Madison, Wisconsin in February of 2003. Thankfully, he returned about a year later safely, but soon after his return, my cousin and my sister’s boyfriend were activated. During these nervous times when someone we loved was gone, family parties weren’t as cheerful and happy, and conversations consisted of whether or not that loved one was still alive and safe. These rough times would never have happened if al Qaeda had not planned to attack the United States....   [tags: Terrorism]
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Don’t Be a Dummy! - Ever since humans developed thumbs, mothers and fathers alike have had to decide whether to let their infant suck on it. As humans have approached the modern era, they have created various appliances, such as the pacifier, to take the place of the thumb. However, the problem still exists: should people introduce their baby to the Binky or make him or her do without it. However, this issue has a more complicated answer than “yes” or “no.” Undoubtedly, pacifiers “make the world a little quieter,” but when used more than a couple years, many potential problems often present themselves, which such as an increased risk of middle ear infections, negative effects on speech and dental problems, as well as problems with breast feeding for both the infant and the mother....   [tags: Child Development]
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Animals: Companions, Not Research Tools - ... HIV/AIDS research aided the creation of the Cat leukemia vaccine. Animals played an important role in the development of treatments for diabetes and heart disease. (Researchers and Institutions, 2011) While these things are a vital part in health care, there are times when animal research failed. The Medical Research Modernization Committee talks about multiple instances where animal research hindered reliable results. Cigarettes and their link to cancer, alcohol and its link to Cirrhosis, the animal model of polio that gave incorrect results; these were all cases where the animal model did not compare correctly to the human model....   [tags: Animal Rights ]
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Schizophrenia and Other Psychotic Disorders - ... Additionally, Schizoaffective Disorder is differentiated from Schizophrenia as aforementioned as well as from Mood Disorder with Psychotic Features. If the person’s psychotic symptoms are only present during a mood disturbance, then a diagnosis of Mood Disorder with Psychotic Features should be given. However, if the psychotic symptoms are present when the person does not meet the criteria for a mood disorder, then a diagnosis of Schizoaffective Disorder should be explored. Delusional Disorder is characterized by delusions but not hallucinations....   [tags: Psychology]
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Effective Communication in the Emergency Department: Implications on Patient Safety Culture - ... (2005). Nurse-Physician Communication: An Organizational Accountability. Nursing Economics, 23(2), 72-77, 55. Bates, D. W., Larizgoitia, I., Prasopa-Plaizier, N., & Jha, A. K. (2009). Global priorities for patient safety research. BMJ, 338. doi: 10.1136/bmj.b1775 Beach, C., Croskerry, P., & Shapiro, M. (2003). Profiles in Patient Safety: Emergency Care Transitions. Academic Emergency Medicine, 10(4), 364-367. doi: 10.1111/j.1553-2712.2003.tb01350.x Beckmann, U., Gillies, D. M., Berenholtz, S....   [tags: Healthcare ]
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Tissue Engineering Muscle by Micropatterning for Therapeutic Transplantation - Tissue Engineering Muscle by Micropatterning for Therapeutic Transplantation There is growing interest to treat patients with inherited or acquired muscular disorders by transplantation of cells to the site of dysfunction to restore normal function. One candidate cell source is skeletal muscle, which can be harvested from surrounding tissues for cell culture before injecting into the site of dysfunction. However, this treatment may not be practical because harvesting skeletal muscle may lead to significant muscle loss and increased susceptibility to infection....   [tags: essays research papers] 808 words
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