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Species Diversity Taiga Soil
441 wordsThe taiga is the largest land biome on earth, it covers some of Canada, Alaska, Europe, Asia, and most of Russia. The word "taiga" is Russian for the forest, but the word is used in the U. S. as well as Canada and some parts of Europe. The winters are cold, and the summers are wet and sometimes warm. The purpose of this paper is to describe the soil in the taiga. First of all, the soil is nutrient poor, thin, and acidicPodzolization occurs as a result of the acid soil solution produced under nee...
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The End Permian Mass Extinction
3,001 words... verify the Chinese reports of iridium and they are fruitless. Anomalies can cause a build up of iridium in one place which would lead to what the Chinese have discovered (Erwin, 1993). Cosmic Radiation Global Cooling Global Warming Salinity The hypothesis that salinity decrease caused the mass extinction of oceanic life was first formed by Beurlen in 1956 (Maxwell, 1989). Evidence for this phenomena was based mainly on stenohaline groups such as the bryozoans, ostracods and corals which were...
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Plants And Animals Species Diversity
1,236 wordsEcosystems undergo changes in their structure and function as time passes. Some of these changes are minor and only affect a small area, others are the cause of major changes in the species present and affect the ecosystem as a whole. Major changes can be caused by changes in climate, external factors such as fire, trampling or pollution and development due to the system itself. Succession is a result of these changes and is defined as a series of progressive changes in an area with one communit...
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Ecology The Study Of Plans Animals And Environment
1,134 wordsEcology is the scientific study of the interrelationships of plants, animals, and the environment. In recent years, the word has sometimes been misused as a synonym for environment. The principles of ecology are useful in many aspects of the related fields of conservation, wildlife management, forestry, agriculture, and pollution control. The word ecology (Greek, oikos, "house, " and logos, "study of") is generally believed to have been coined by Ernst HAECKEL, who used and defined it in 1869. T...
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Technological Progress Species Diversity
1,197 wordsBiogeography Island Biogeography has been of great interest for geographers. The theory is closely connected with the theory of evolution developed by Darwin. Oceanic islands are isolated areas. They are limited in territory to examine the processes which are too complex to implement them in the mainland areas. Island Biogeography attempts to identify the factors which influence the diversity of species of a particular community. Islands are unique in their nature. They are isolated areas. The e...
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Great Barrier Reef National Cancer Institute
1,959 wordsThe most beautiful and well engrossed houses in the whole world belong to a huge variety of tropical fish. These houses are underwater vertebrates that have caught the attention of many human beings for a spectacular amount of time. Coral reefs are not only pretty, actually quite beautiful, and they present a great deal of human interest; but, they also render an enormous amount of shelter for an abundant number of different fish. Corals, one of the largest vertebrates in the world, also have a ...
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