Admittedly, in the geologic past many species live twist extinct naturally. The changes of surround due to natural reasons may destroy the homelands of many species, hence leading to their extinctions. The nature may also break the ease of predator and prey, thus causing the less powerful species to become extinct. An extreme example might be the extinction of dinosaur, the antediluvian patriarch powerful gigantic leader of the earth. It is considered that the extinction of dinosaur is attributed to a collision of a small comet and the earth, which drastically changed the climate on the earth. Darwins guess of natural selection might give us gobs of instructions on this topic. If a species cannot adapt itself to the nature, it would be eliminated. Thats the honor of nature.
However, with the increase of human activities, we human beings become more and more influential on the earth.
Unfortunately, many of our activities endanger the existence of different species. Consider the accumulation of greenhouse gases, for example. These gases would gradually increase the ball-shaped temperature on the earth. The amount of these kinds of gases, however, has been increasing with the economic booming. Recent researches have indicated that the accumulation of green gas has caused the melt of the ice ceiling in Antarctic, which would not only lead to the extinction of the species accompaniment there, but also cause the sea level vacate and thus endangering the species living along the sea, including people in the coastal areas. Another example is the deforestation of Amazon rainforest. This...If you want to fixate a full essay, order it on our website: Ordercustompaper.com
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