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Mass Extinction - Essay Example

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This essay touches upon the crucial issue of the future. Namely, it is focused on the possibility of mass extinction. If to speak on the possible reason for mass extinction in this era, it is more identifiable as it is something we sense every day…
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Mass Extinction
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Download file to see previous pages I think that this is the possible reason why Douglas Erwin said it is quite difficult to identify which is the real cause of the mass extinction in the past. There are these many factors that contribute; they are all giving different degrees of impact to the environment, which the scientists need to delve into each to know the actual influencing degree.
The world population is growing exponentially but the land is so limited. Humans exploit virgin land, like the jungle and mountains. They cut down the jungle and make the mountains flat to make houses and farmland. The equivalence of the whole ecosystem is disturbed. Firstly the flora and fauna in the wild lost their habitat. They cannot even find food that they used to get. As a result, this leads to wildlife extinction. Loss of soil due to loss of plants also caused the river- and seabeds to become shallow. This is obvious with the increase of sea water level. The situation becomes worse when the pole's glacier starts melting due to greenhouse effect!
Eventually, the increasingly warming atmosphere triggered the people's interest to study the global warming phenomena. This is how the greenhouse effect situation was discovered. It is estimated that about 15 to 37 per cent of the species will become extinct from now to 2050 if the climate keep on changing (Kirby, 2004). The causes of global warming were identified: excretion of greenhouse gases like carbon dioxide, water vapor and methane, use of aerosol products and depletion of jungle land and ozone layer. Carbon dioxide and methane will trap heat in the atmosphere. They are the by products from the use of fuel energy. Meantime, depletion of jungle land reduces the number of green plants that can convert...
The world population is growing exponentially but the land is so limited. Humans exploit the virgin land, like the jungle and mountains. They cut down the jungle and make the mountains flat to make houses and farmland. The equivalence of the whole ecosystem is disturbed. Firstly the flora and fauna in the wild lost their habitat. They cannot even find food that they used to get. As a result, this leads to wildlife extinction. Loss of soil due to loss of plants also caused the river- and seabeds to become shallow. This is obvious with the increase of sea water level. The situation becomes worse when the pole’s glacier starts melting due to greenhouse effect!
Eventually, the increasingly warming atmosphere triggered the people’s interest to study the global warming phenomena. This is how the greenhouse effect situation was discovered. It is estimated that about 15 to 37 percent of the species will become extinct from now to 2050 if the climate keeps on changing. The causes of global warming were identified: excretion of greenhouse gases like carbon dioxide, water vapor, and methane, use of aerosol products and depletion of jungle land and the ozone layer. Carbon dioxide and methane will trap heat in the atmosphere. They are the by-products from the use of fuel energy. Meantime, depletion of jungle land reduces the number of green plants that can convert the carbon dioxide gases back to oxygen. The increase of methane gave the similar effect to the environment, methane plays an important role in the previous mass extinction. ...Download file to see next pagesRead More
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